Address Change Service (ACS) - this is an automated process that provides change-of-address information to participating mailers who maintain computerized mailing lists. The information is captured in Computerized Forwarding System (CFS) units and sent to mailers on electronic media, which reduces the volume of manual change-of-address notices.
Address Element Correction (AEC) - this process identifies and revises incomplete or incorrect computerized address files, and then attaches ZIP+4 and carrier route codes. It involves computer matching address records that cannot be coded using CASS-certified address matching software.
Airport Mail Center/Airport Mail Facility (AMC/AMF) - this is a postal facility at an airport that receives, concentrates, transfers, dispatches, and distributes mail transported by air.
Alternate Mailing System (AMS) - this procedure, authorized by the manager, Business Mailer Support, that provides methods for accepting permit imprint mail to ensure proper postage payment and mail preparation without verification by weight.
Ancillary Service - this forwards, change returns, or address correction service included within a mail class. Depending on the mail class, these services are performed at a charge or at no additional charge, if and when the service is actually provided. Also see forward.
Ancillary Service Endorsement - this is a marking used by a mailer to request the new address of an addressee and to provide the USPS with instructions on how to handle mail that is undeliverable as addressed. Also, see address correction service.
Area Distribution Center (ADC) - this is a mail processing facility that receives and distributes mail destined for specific ZIP Codes. ADCs and their associated ZIP Codes are in DMM labeling list L004.
Army Post Office (APO) - this is a branch of a designated USPS civilian Post Office, which falls under the jurisdiction of the postmaster of either New York City or San Francisco, that serves either Army or Air Force personnel. Also, see Military Post Office (MPO).
Aspect Ratio - this is the dimension of a mailpiece expressed as a ratio of length divided by height (for letters and cards, length is the dimension parallel to the address as read). For example, a postcard 5 1/2 inches long by 3 1/2 inches high has an aspect ratio of 1.57. An aspect ratio between 1.3 and 2.5, inclusive, is required for automation compatibility.
Automated Area Distribution Center (AADC) - this is a distribution center that uses multiline optical character readers (MLOCRs), barcode sorters, and other equipment designed for processing automation-compatible mail. Also, see area distribution center (ADC).
Automation-Compatible Mail - this is mail that can scan and process with automated mail processing equipment such as a barcode sorter.
Automation Price - this is a postage discount offered to mailers who barcode their mailpieces and meet addressing, readability, and other requirements for processing on automated equipment.
Balloon Price - this is the price charged for Priority Mail (zones 1-4) and Parcel Post items that weigh less than 20 pounds and measure between 84 and 108 inches in combined length and girth.
Barcode - this is a series of vertical bars and spaces that represent any numerical series, most often a correct ZIP Code for the delivery address on a mailpiece. The barcode facilitates automated processing by barcode readers and scanners. A barcode also can be used to convey information for Delivery Confirmation and Signature Confirmation services. Barcodes that may be used for postal processing are POSTNET, Intelligent Mail, and GS1-128. Also see delivery point barcode (DPBC) and Postal Numeric Encoding Technique (POSTNET).
Barcode Clear Zone - this is a rectangular area in the lower right part of a letter-size mailpiece that must be kept free of printing and symbols, except for the barcode itself. This requirement allows automated processing machines to read or apply a barcode.
Barcode Read Area - this is a small area within the barcode clear zone in which the barcode must be printed. This area is defined by the position of the leftmost bar of the barcode and the bottom edge of the bar.
Barcode Reader - this is a component in certain mail processing equipment that reads and interprets the barcode applied to a mailpiece.
Barcoded Container Label - this is a tray or sack label that has a barcode that can be read and processed by an automated tray or sack handling system.
Barcoded Discount - this is a postage discount available for certain Package Services machinable parcels and Bound Printed Matter flats that bear a correct barcode and meet other size, shape, and volume requirements.
Bound Printed Matter (BPM) - this is a subclass of Package Services that consists of permanently bound sheets of which at least 90% are printed with advertising, promotional, directory, or editorial matter (or a combination of such matter).
Bulk Parcel Return Service (BPRS) - this is a service by which high-volume mailers may have undeliverable-as-addressed Standard Mail machinable parcels returned to the mailer.
Bundle - this is a group of addressed pieces assembled and secured together to make up a basic unit of bulk mail for processing purposes.
Business Mail Entry Unit (BMEU) - this is the area of a postal facility where mailers present bulk, presorted, and permit imprint mail for acceptance. The BMEU includes dedicated platform space, office space, and a staging area on the workroom floor.
Business Reply Mail (BRM) - this is a service that allows a permit holder to receive First-Class Mail and Priority Mail back from customers, and pay postage only for the returned pieces. These pieces must have a specific address and format. Postage and per piece charges are collected when the mail is delivered back to the permit holder.
Caller Service - this is an optional delivery service provided for a fee at all Post Offices to customers with large volumes of mail, to customers needing multiple separations, and to customers who need a Post Office box number address when no Post Office boxes are available.
Carrier Route - this is the addresses to which a carrier delivers mail. In common usage, carrier route includes city routes, rural routes, highway contract routes, Post Office box sections, and general delivery units.
Carrier Route File - this is the official listing of all city and noncity delivery Post Offices, available to mailers in a standardized format. It contains schemes for city routes, rural routes, highway contract routes, Post Office box sections, and general delivery units. The data is formatted by ZIP Code, street name, and street number range.
Carrier Route Presort Mail - this is the mail sorted by carrier route to qualify for discounted postage. The mail requires no primary or secondary distribution. The term is a general descriptor of the available prices for this type of preparation, which includes Carrier Route Standard Mail, Carrier Route Periodicals, and Carrier Route Bound Printed Matter.
Centralized Postage Payment System (CPP) - this is a postage payment system administered by the Pricing and Classification Service Center that allows publishers of authorized Periodicals publications entered at three or more Post Offices to pay postage at a single postal facility rather than through individual accounts maintained at each entry Post Office.
Certified Mail - this service that provides the sender with a mailing receipt. A delivery record is maintained by the USPS. This type of mail must be sent at First-Class Mail or Priority Mail prices. Certified mail may be combined with return receipt service and restricted delivery service.
Classification - this is a grouping of mailable matter into mail classes and subclasses by price categories, according to content, weight, size, and preparation standards.
Classroom Price - this is the Periodicals price that is available to an authorized mailer of educational, scientific, or religious publications for scholastic or religious instruction.
Coding Accuracy Support System (CASS) - this is a service offered to mailers, service bureaus, and software vendors that improves the accuracy of matching to delivery point codes, ZIP+4 codes, 5-digit ZIP Codes, and carrier route codes on mailpieces. CASS provides a common platform to measure the quality of address matching software and to diagnose and correct software problems. An Overview of the CASS Program and list of CASS certified vendors are available on RIBBS.gov.
Collect On Delivery (COD) - this is a service for mailers who need to mail an article for which they have not received payment. The amount due to the sender is collected from the addressee, and the USPS returns the amount due to the sender.
Combined Mailing - this is a mailing in which individually addressed mail-pieces are merged and sorted together, usually using two or more postage payment methods.
Commercial Mail Receiving Agency (CMRA) - this is a private business that acts as the mail receiving agent for specific clients by providing a delivery address and other services.
Commingle - this integrates dissimilar mail (such as subscriber and nonsubscriber copies or machinable and irregular parcels) into the same mailing.
Computer - Readable Media - this is a DVD, CD (compact disk), and CD-ROM is mailable at single-piece and discount prices based on the packaging or mailer and contents. For additional information, contact your Business Mail Entry office.
Computerized Forwarding System (CFS) - this centralized, computerized address label-generating operation that performs address correction and forwards or returns undeliverable-as-addressed mail to customers.
Content Identifier Number (CIN) - this is a code number on a tray or sack label that represents and identifies the class of mail and presort level.
Cooperative Mailing - this is a mailing made jointly by one or more organizations authorized to mail at Nonprofit Standard Mail prices at the same Post Office.
Courtesy Reply Mail (CRM) - this is the envelopes or postcards that a mailer provides to its customers to expedite delivery of their responses. The customer affixes the reply postage before mailing.
Dead Mail - this is the mail that is undeliverable as addressed and cannot be returned to the sender (usually because there is no return address on the piece).
Delivery Confirmation - this is a service that provides the date and time of delivery or, if delivery was attempted but not successful, the date and time of the delivery attempt. This service may be obtained in two forms: (1) an electronic option for mailers who apply identifying barcodes to each piece, provide an electronic file, and retrieve delivery status information electronically; and (2) a retail option for mailers who retrieve delivery status through the USPS Internet at www.usps.com or by calling 800-222-1811.
Delivery Point Barcode (DPBC) - this POSTNET barcode consists of 62 bars with beginning and ending frame bars, and 5 bars each for the nine digits of the ZIP+4 code, the last 2 digits of the primary street address number (or Post Office box, etc.), and a correction digit. The DPBC allows automated sortation of letter mail in carrier walk sequence.
Delivery Sequenced Mail - this is mail that is arranged by a mailer in delivery order for a particular carrier route. This mail requires no primary or secondary distribution.
Destination Area Distribution Center (DADC) Price - this is the price available for Periodicals mail that is prepared and entered by the mailer at the area distribution center (ADC) that serves the delivery address on the mail.
Destination Delivery Unit (DDU) - Price - this is the price available for Periodicals, Standard Mail, Parcel Select, and Bound Printed Matter that is properly prepared and entered by the mailer at the delivery unit that serves the delivery address on the mail.
Destination Network Distribution Center (DNDC) Price - this is the price available for Standard Mail, Parcel Select, and Bound Printed Matter that is properly prepared and entered by the mailer at the NDC or other designated postal facility that serves the delivery address on the mail.
Destination Sectional Center Facility (DSCF) Price - this is the price available for Periodicals, Standard Mail, Parcel Select, and Bound Printed Matter that is properly prepared and entered by the mailer at the sectional center facility (SCF) or other designated postal facility that serves the delivery address on the mail.
Detached Address Label (DAL) - this is the paper or cardstock used to carry address information when preparing a mailing of unaddressed Periodicals flats, Standard Mail flats, and merchandise samples, and Bound Printed Matter.
Detached Mail Unit (DMU) - this is an area in a mailer’s facility where postal employees perform mail verification, acceptance, dispatch, and other postal functions.
Direct Mail - this is another name for advertising mail sent to targeted markets. It can be any mail class, but it is usually Standard Mail.
Dimensional Weight - this is the postage for Priority Mail packages addressed for delivery to zones 5-8 and exceeding one cubic foot (1,728 cubic inches) is based on the actual weight or the dimensional weight, whichever is greater.
Drop Shipment - this is the typical movement of a mailer’s product on private (nonpostal) transportation from the point of production to a postal facility located closer to the destination of that product.
Eligibility - these are the qualification standards such as content, mail processing category, and preparation applied to mail for a specific price or discount.
Endorsement - this is an authorized marking on a mailpiece that shows handling instructions, a service, or a request for an ancillary service. Also, see marking.
Entry Facility - this is the USPS mail processing facility (e.g., NDC, SCF) that serves the Post Office at which the mail is entered by the mailer. Also called origin facility.
Entry NDC - this is a network distribution center (NDC), including its satellite auxiliary service facility (ASF) unless specified otherwise, at which mail is entered by the mailer. Also, see network distribution center (NDC) and auxiliary service facility (ASF).
Entry Post Office - this is a Post Office at which a mailer deposits mailings to be paid for through an account maintained at the designated Post Office.
Express Mail - this is a mail class that provides expedited delivery service. This is the fastest mail service offered by the USPS. Express Mail International Service is available between the United States and most other countries.
Express Mail Military Service (EMMS) - this is an Express Mail service available between the United States and designated APO and FPO addresses that provides Department of Defense and other authorized personnel stationed overseas with expedited delivery service to or from the United States.
Extended Managed Mail Tray (EMM) - this is a 2-foot letter tray that measures 21-3/4 inches long by 11-1/2 inches wide (inside bottom dimensions) by 6-1/8 inches high. Must be used for tall letter-size mail that does not fit in a regular managed mail (MM) tray.
Face - this is the side of a mailpiece with the delivery address. Also, to arrange mail in a uniform orientation; that is, with the delivery address facing forward and the postage area positioned in the upper right corner.
Facing Identification Mark (FIM) - this is a series of five or six vertical bars used by automated postal equipment to identify, orient and separate reply mail and mail produced by PC postage systems and some postage meters.
Facing Slip - this is a paper label attached to the top of a bundle that shows where the mail is to be distributed, the class and type of mail, and the country or military Post Office. Also, see optional endorsement line.
FASTforward - this is a USPS-licensed automated system that updates addresses by matching names and addresses with current change-of-address orders on file. A piece updated with FASTforward can be delivered directly to the new address rather than forwarded from the old address.
Federal Register - this is a daily weekday publication distributed by the Office of the Federal Register in which certain U.S. government documents must be published. The USPS publishes proposed and final mail preparation changes in the Federal Register for public comment and notice. A listing of Postal Service Federal Register Notices is available at Postal Explorer at pe.usps.com.
First-Class Mail (FCM) - this is a class of mail that includes all matter wholly or partly in writing or typewriting, all actual and personal correspondence, all bills and statements of account, and all matter sealed or otherwise closed against inspection. Priority Mail is a subclass of First-Class Mail. Any mailable matter may be sent as First-Class Mail.
Flat - this is the general term for flat-size mail, so called because the large mail is sorted without bending it so that the mail remains flat.
Flat-size Mail - this is a flexible rectangular mailpiece that exceeds one of the dimensions for letter-size mail (11-1/2 inches long, 6-1/8 inches high, 1/4 inch thick) but that does not exceed the maximum dimension for the mail processing category (15 inches long, 12 inches high, 3/4 inch thick). Dimensions are different for Periodicals automation flat-size mail. Flat-size mail may be unwrapped, sleeved, wrapped, or enveloped.
Fleet Post Office (FPO) - this is the branch of a designated USPS civilian Post Office, which falls under the jurisdiction of the postmaster of either New York City or San Francisco, that serves Coast Guard, Navy, or Marine Corps personnel. Also, see Military Post Office (MPO).
FLTS - this is an abbreviation used on mail container labels that identifies the contents as flat-size.
Forward - this redirects the mail to the intended recipient’s new delivery address in cases where PS Form 3575, Change of Address Order, or other written or personal notice has been filed with the local Post Office.
Franked Mail - this is the official mail sent without postage prepayment by members and members-elect of Congress, the Vice President, and other authorized individuals. Mail must relate to the mailer’s official business, activities, and duties. The mailpiece bears a written signature, printed facsimile signature, or other required markings instead of a postage stamp. Compare with penalty mail.
Full Flat Tray - this is a tray that is sufficiently filled with flats to allow or require preparation to the corresponding presort destination. A full flat tray contains at least enough pieces so that a single stack of mail lying flat on the bottom of the tray reaches to the bottom of the handholds. Additional pieces must be added when possible to physically fill the tray.
Full Letter Tray - this is a full tray is filled between 85% and 100% with faced upright pieces. Each tray must be physically filled to capacity before the filling of the next tray. Also, see less-than-full tray and overflow tray.
Full Sack - this is a sack filled with the minimum number of pieces needed to qualify for the class and price claimed.
Hazardous Material (HAZMAT) - this is an article or substance designated by the U.S. Department of Transportation (DOT) as being capable of posing an unreasonable risk to health, safety, and property during transportation.
Highway Contract Route (HCR) - this is a route of travel served by a postal contractor to carry mail over highways between designated points. Some HCRs include mail delivery to addresses along the line of travel. Formerly called star route.
Identical Piece - this is an individual mailpiece that has the same mail classification and physical aspect, size, and weight as all other pieces in a mailing.
Indicia - this is an imprinted designation on mail that denotes postage payment (e.g., metered postage or permit imprint).
Information-Based Indicia (IBI) - this is a digital indicia that include human-readable information and a USPS approved two-dimensional barcode, with a digital signature and other required fields.
Insert - this is a letter, card, or similar item placed inside another mailpiece (host piece).
Insured Mail - this is a service that provides indemnity coverage for a lost, rifled or damaged article, subject to the standards for the service and payment of the applicable fee. Insurance is available for merchandise sent as First-Class Mail, Express Mail, Priority Mail, Standard Mail, and Package Services.
International Mail Manual (IMM) - this is the USPS manual that contains prices and classification standards for mailing between the United States and all other countries. The IMM Index of Countries contains complete price information for each country.
International Standard Book Number (ISBN) - this is a publication number issued by the Library of Congress that identifies a specific book or other non-periodical.
International Standard Serial Number (ISSN) - this is a publication number issued by the Library of Congress that identifies a specific book or other periodicals.
Keyline - this is an optional mailer information printed in or above the address or in the lower left corner of the envelope. The information in a keyline identifies the mailpiece and its presort level. Under some postage payment systems, the key line is a required line that contains specific information about the mailpiece.
Known Office of Publication - this is the business office of a Periodicals publication that is in the city where the original entry for Periodicals mailing privileges is authorized.
Less-Than-Full Tray - this is a tray that contains mail for a single destination that was not preceded by a full tray for that destination. Less-than-full trays may be prepared only if permitted by the standards for the price claimed.
Letter - this is a message directed to a specific person or an address and recorded in or on a tangible object. Also, a shortened way to refer to letter-size mail.
Letter-size Mail - this is a mail processing category of mailpieces, including cards, that do not exceed any of the dimensions for letter-size mail (i.e., 11-1/2 inches long, 6-1/8 inches high, 1/4 inch thick).
Library Mail - this is a subclass of Package Services for items sent to or from or exchanged between academic institutions, public libraries, museums, and other authorized organizations. Books, sound recordings, academic theses, and certain other items may be mailed at the Library Mail price if properly marked.
Line-of-Travel (LOT) Sequence - this is a sequence required for some carrier route prices in which mailpieces are arranged by ZIP+4 codes in the order in which the route is served by the carrier. The mailpieces are sequenced in delivery order.
LTR (or LTRS) - this is an abbreviation used on mail tray labels that identify the contents as letter-size pieces.
MACH - this is an abbreviation used on mail container labels that identifies the contents as machinable letters or parcels (mail that can be processed on mechanized mail sorting equipment).
Machinable - this is the ability of a mailpiece to be sorted by mail processing equipment. Compare with non-machinable.
Machinable Parcel - this is a parcel that is of the correct size and weight to be safely sorted by mail processing machinery such as a parcel sorting machine.
Mail - this is any mailable matter that is accepted for mail processing and delivery by the USPS. Also, the sum total of the mail at any time that is in USPS custody. To deposit a mailable item in a collection box or present the item (or a mailing for large quantities of mailpieces) at a Post Office or business mail entry unit.
Mail Class - this is the classification of domestic mail according to content (e.g., personal correspondence versus printed advertising). It is codified in the Mail Classification Schedule.
Mailing - this is a group of mailpieces within the same mail class and mail processing category that may be sorted together under the appropriate standards. Also, the action of depositing or presenting mail at a Post Office.
Mailing Agent - this is a private third party that mails on behalf of someone else.
Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) - this is the USPS manual that contains the standards governing domestic mail services, descriptions of the mail classes, services and conditions governing their uses, standards for price eligibility and mail preparation, and all postage prices and fees. Domestic mail is classified by size, weight, shape, content, service, and other factors.
Managed Mail (MM) Tray - this is a stackable cardboard or plastic container with an enclosing cardboard sleeve and plastic strap that is used to transport letter mail to or from Post Offices.
Manifest Mailing System (MMS) - this is a postage payment system that enables the USPS to accept and verify permit imprint mailings that contain nonidentical-weight and/or nonidentical-price pieces. These pieces are prepared by the mailer according to certain standards and require specialized documentation.
Marking - this is a list of words or abbreviations printed on a mailpiece that shows the class of mail, presort level or ancillary service endorsement. See also endorsement.
Media Mail - this is a subclass of Package Services that consists of books, sheet music, printed educational material, film, videocassettes, and computer prerecorded media such as CD-ROMs. Advertising restrictions apply.
Merchandise Return Service - this is a service whereby an authorized company provides a customer with a special mailing label to return a shipment without prepaying postage. The company pays the return postage.
MERLIN - this is an acronym for Mail Evaluation Readability Lookup Instrument, is a tool that is used by the U.S. Postal Service to assist with the acceptance of business mail.
Meter Reply Mail (MRM) - this is a preprinted return envelope, card, or label provided by a meter license holder as a courtesy to customers on which the postage is prepaid with a meter stamp. These pieces must have a specific address and format. Compare to Business Reply Mail and Courtesy Reply Mail.
Meter Stamp - this is the postage printed on a mailpiece or label by a postage meter or PC Postage System. Meter stamps may be used to pay postage for all mail classes except Periodicals.
Metered Mail - this is any piece of mail with postage printed by a USPS-approved postage meter or PC Postage.
Military Ordinary Mail (MOM) - this is a category for Department of Defense official mail sent at Periodicals or Standard Mail prices that requires faster service than sealift transportation to, from, and between military Post Offices. This mail is moved by surface transportation to a gateway facility, and from there by air at a specific transportation price and service standard. Compare with parcel airlift (PAL).
Military Post Office (MPO) - this is a branch of a U.S. civil Post Office operated by the Army, Navy, Air Force, or Marine Corps to serve military personnel overseas or aboard ships. Also, see Army Post Office (APO) and Fleet Post Office (FPO).
Minimum Size Standard - this is the smallest dimensions permitted for all mailable matter or for a specific mail processing category or specific price.
Mixed Class - this is a mailing containing more than one class of mail. With certain exceptions, the postage on the entire piece or bundle is charged at the price of the higher class.
MDX - this is an abbreviation used on mail container labels that identifies the contents as mixed mail for different destinations. Usually indicates the last presort level in a sequence.
National Change of Address Linkage System (NCOALink®) - this is an address correction service that the USPS provides to mailers through USPS licensees. The licensees match mailing lists submitted to them on tape or disk against change-of-address information for the entire country from all Computerized Forwarding System units. If a match is made, NCOALink can correct the address before it is printed on a mailpiece. Additional information and a list of Vendors and Licensees that have been certified through CASS and MASS address matching software is available online.
Network Distribution Center (NDC) - this is a highly mechanized mail processing plant that distributes Standard Mail and Package Services in piece and bulk form. Also, see auxiliary service facility (ASF).
Network Distribution Center (NDC) Presort Price - this is a price available for Parcel Select that is properly prepared and entered by the mailer at an NDC or other designated postal facility.
Nonmachinable - this is the inability of a mailpiece to be sorted on mail processing equipment because of size, shape, content, or address legibility. Such mail must be processed manually.
Nonmachinable Outside (NMO) - this is a parcel or mailpiece that, because of size, weight, or other characteristics, cannot be sorted by mechanized mail processing equipment and must be handled manually. The parcel is called an outside because it cannot be placed in a sack or other mailing container.
Nonmailable Articles and Substances - this is anything that, by statute, may kill or injure another, or injure the mails or other property. There are some exceptions to this rule that allow otherwise unmailable items to be mailed.
Nonprofit Price - this is a preferred price for a Periodicals publisher authorized to mail as a nonprofit organization.
Nonprofit Standard Mail - this is a subclass of Standard Mail that is available only to qualified organizations specified by U.S. statute.
Nonprofit Standard Mail Eligibility - this publication 417 discusses eligibility, authorization, and the rules for mailing at the Nonprofit Standard Mail prices. Many customers find it helpful to reference this publication to gain authorization and determine the eligibility of their mailpiece. Also, see the Standard Mail.
Not Flat-Machinable Pieces (NFMs) - this is a subclass of Standard Mail. Most NFMs are rigid, parcel-like pieces that cannot be processed on flat sorting equipment.
Official Mail - this is mail authorized by federal law to be sent by government officials without postage prepayment. It includes franked mail sent by members of Congress and penalty mail sent by U.S. government agencies.
Optical Character Reader (OCR) - this is an automated mail sorting machine that interprets the address information on a letter-size mailpiece and sprays the corresponding ZIP Code information onto the piece as a barcode.
Optional Endorsement Line (OEL) - this is a series of specific printed characters on the top line of the address block that identifies the sortation level of a bundle and may contain an ACS participant code. The OEL is used in place of bundle labels.
Origin Network Distribution Center (ONDC) Presort - this is a price available for Parcel Select that is properly prepared and entered by the mailer at the origin NDC or other designated postal facility.
Outsert - this is a mailing industry term for an external attachment.
Overflow Tray - this is a less-than-full tray that contains pieces remaining after preparation of full trays for the same destination. Overflow trays may be prepared only if allowed by the standards for the price claimed.
Oversized Price - this is the Parcel Post and Parcel Select price for pieces exceeding 108 inches but not more than 130 inches in combined length and girth.
Package Services - this is a class of mail that comprises four subclasses: Bound Printed Matter, Library Mail, Parcel Post, and Media Mail. There is no minimum weight limit for Package Services.
Pallet - this is a reusable platform on which mail is stacked to be moved as a single unit. Pallets are made of rigid material designed for four-way forklift entry and capable of handling loads of up to 65 cubic feet and 2,200 pounds. A USPS pallet measures 48 by 40 inches. Also, see Copalletize and Top Cap.
Parcel - this is a mailing that does not meet the mail processing category of letter-size mail or flat-size mail. It is usually enclosed in a mailing container such as a box.
Parcel Airlift (PAL) - this is a service that provides air transportation for parcels on a space-available basis to or from military Post Offices outside the 48 contiguous states.
Parcel Post - this is a subclass of Package Services with prices based generally on weight and zone.
PC Postage System - this is a postage system used to purchase and print postage with a personal computer, a printer, and Internet access.
Penalty Mail - this is the official mail sent without postage prepayment by officers of the executive and judicial branches of the U.S. Government, by departments and agencies of the U.S. Government, and by specifically authorized individuals. Agencies then reimburse the USPS for the penalty mail service they receive. The term comes from the endorsement Penalty for Private Use, which is printed on the mail. Compare to franked mail.
Periodicals - this is a class of mail consisting of magazines, newspapers, or other publications formed of printed sheets that are issued at least four times a year at regular, specified intervals (frequency) from a known office of publication. Periodicals usually must have a legitimate list of subscribers and requesters.
Permit - this is any authorization required for specific types of preparation or postage payment. Specifically, an authorization to mail without postage affixed by using indicia or an imprint. Payment is made against an advance deposit account that is established with the USPS for postage and services. Permits also are required to participate in certain programs such as Business Reply Mail.
Permit Imprint - this is the printed indicia, instead of an adhesive postage stamp or meter stamp, that shows postage prepayment by an authorized mailer.
Piece - this is an individually addressed mailpiece. This definition also applies when the term piece is used in eligibility standards. Quantities indicated for optional or required sortations always refer to pieces unless specifically excepted.
Piece Price - this is for some mail classes, the postage charged for each mailpiece in addition to the pound price charge.
Plant-Verified Drop Shipment (PVDS) - this is a procedure that enables origin verification and postage payment for shipments transported by the mailer from the mailer’s plant to destination Post Offices for USPS acceptance as mail. PVDS is typically used for mailings for which a destination entry discount is claimed.
Postage - this is a payment for delivery service that is affixed or imprinted to a mailpiece, usually in the form of a postage stamp, permit imprint, or meter stamp. postage statement-documentation provided by a mailer to the USPS that reports the volume of mail being presented and the postage payable or affixed, and certifies that the mail meets the applicable eligibility standards for the price claimed.
Postal Numeric Encoding Technique (POSTNET™) - this is the barcode system used on letter-size and flat-size mailpieces for encoding the delivery point information and ZIP+4 code information. Also, see delivery point barcode (DPBC).
Postcard - this is a privately printed mailing card. Compare to stamped card.
Precanceled Stamp - this is a postage stamp canceled by marking across the face before it is sold to mailers for use with discount mailings. Also, a stamp designated by the USPS as a precanceled stamp without cancellation marks. The USPS sells precanceled stamps for Presorted First-Class Mail and regular and Nonprofit Standard Mail. Mailpieces with these stamps do not go through a canceling machine at the time of mail processing. Also, see Precancel.
Presort - this is the process by which a mailer groups mail by ZIP Code so that it is sorted to the finest extent required by the standards for the price claimed. Generally, presort is performed sequentially, from the lowest (finest) level to the highest level, to those destinations specified by standard and is completed at each level before the next level is prepared. Not all presort levels are applicable to all mailings.
Presort Accuracy Validation and Evaluation (PAVE™) - this is a program that evaluates presort software and determines its accuracy in sorting address files under DMM standards. An overview of the program and a list of PAVE-certified vendors are available on ribbs.usps.gov.
Presorted Standard - this is the postage price for Standard Mail pieces that are part of a mailing, and that meet minimum volume and preparation requirements.
Price List (Notice 123) - this is the Price List is a 44-page publication that contains domestic and international prices and fees in a concise and accessible manner.
PCSC - Pricing and classification service center (PCSC) - this is a USPS field office that provides guidance to employees and customers on mail classification, postage prices, and mail preparation.
Printed Matter - this is the paper on which words, letters, characters, figures, or images (or any combination of them) not having the character of a bill or statement of account, or of actual and personal correspondence, have been reproduced by any process other than handwriting or typewriting.
Priority Mail - this is the First-Class Mail that weighs more than 13 ounces and, at the mailer’s option, any other mail matter weighing less than 13 ounces mailed at Priority Mail prices. Priority Mail provides expedited delivery. Any mailable matter may be sent as Priority Mail.
Processing and Distribution Center/Facility (P&DC/F) - this is the central mail facility that processes and dispatches part or all of both incoming mail and outgoing mail for a designated service area. It also provides instructions on the preparation of collection mail, dispatch schedules, and sorting plan requirements to mailers. The facility is usually a sectional center facility or a general mail facility, but it can also be a dedicated mail processing facility without a Post Office station or branch.
Prohibited Matter - this is any material that is illegal to mail because it can kill or injure an individual or damage other mail. This includes certain poisons and controlled substances and certain flammable or hazardous matter.
Qualified Business Reply Mail (QBRM) - this is the Business Reply Mail that is processed and rated by automated means, including the automated calculation of postage and fees. QBRM pieces must meet certain design specifications and may be eligible for the lowest per piece fee available for BRM, and for reduced automation First-Class Mail postage.
Quick Service Guide - this is publication 95, Quick Service Guide, is a concise overview of mail preparation and deposit for specific mail classes.
Raffle Tickets - this is an overview of the eligibility of lottery advertisements by authorized nonprofit organizations. See Customer Support Ruling 307.
Registered Mail - this provides the most secure service offered by the USPS. The sender receives a receipt at the time of mailing, and a delivery record is maintained by the USPS. This service also provides optional indemnity in case of loss or damage. Compare with Certified Mail and insured mail.
Restricted Delivery - this is a supplemental mail service that generally limits who may receive an item. This service is available for a fee when used with Certified Mail, collect on delivery, insured mail, and Registered Mail.
Restricted Matter - this is any item on which certain mailing restrictions have been imposed for legal reasons other than the risk of harm to persons or property involved in moving the mail, and that require specific endorsements and markings. Examples include odd-shaped items in envelopes, motor vehicle master keys, and locksmithing devices as well as odor-producing materials, certain liquids and powders, and battery-powered devices. Compare to hazardous material.
Rural Route (RR) - this is a delivery route served by a rural carrier.
Scheme - this is a systematic plan for the distribution of mail to its destination.
Scheme Sort - this is the distribution of mail to its destination according to a systematic plan determined by the mail processing functional area. Typically, a scheme sort allows mailers to combine pieces addressed to two or more 5-digit or 3-digit ZIP Code areas.
Science-of-Agriculture Price - this is the Periodicals price that is available to an authorized mailer of agriculture publications.
Sectional Center Facility (SCF) - this is a postal facility that serves as the processing and distribution center (P&DC) for Post Offices in a designated geographic area as defined by the first three digits of the ZIP Codes of those offices. Some SCFs serve more than one 3-digit ZIP Code range.
Shipper Paid Forwarding (SPF) - this is an address change service (ACS) fulfillment vehicle. It allows mailers of Standard Mail machinable parcels and most Package Services pieces to pay forwarding charges via approved ACS participant code(s).
Shortpaid Mail - this is mail on which additional postage is collectible on final delivery.
Signature Confirmation - this is a service that provides information to the mailer about the date and time of delivery, including the recipient’s signature or the date and time of the delivery attempt. This service may be obtained in two forms: (1) an electronic option for mailers who apply identifying barcodes to each piece, provide an electronic file, and retrieve delivery status information electronically; and (2) a retail option for mailers who retrieve delivery status through the Internet at www.usps.com or by calling 800-222-1811.
Single-Piece - this is the postage price available for individual pieces of Express Mail, Priority Mail, First-Class Mail, Parcel Post, Media Mail, and Library Mail. It is not available for Periodicals except under the price category of basic. This type of price contrasts with prices available for commercial mail.
Skew - this is the misalignment or slant of a character, bar, line of characters, or barcode with respect to the bottom or top edge of the mailpiece.
Sleeve - this is a paperboard jacket that fits over the four sides (top, bottom, and two parallel sides) of a letter tray in order to keep the mail inside the tray from falling out.
Stamped Card - this is a postcard sold by the USPS (as distinguished from a privately printed postcard) with a printed or impressed postage stamp. Compare to a postcard.
Standard Mail - this is the class of mail that weighs less than 16 ounces. It comprises the subclasses of Regular Standard Mail, Nonprofit Standard Mail, Carrier Route Standard Mail, and Nonprofit Carrier Route Standard Mail. These subclasses include circulars, printed matter, pamphlets, catalogs, newsletters, direct mail, and merchandise. Standard Mail may be sent at Carrier Route, automation, nonautomation, and Not Flat-Machinable prices.
Subclass - this is a subdivision of a mail class, usually based on the consideration of a physical characteristic rather than content.
Tap Test - this is an insert showing through the window is moved to any of its limits inside the envelope, the entire barcode must remain within the barcode clear zone, and a clear space must be maintained that is at least 1/8 inch between the barcode and the left and right edges of the window, at least 1/25 inch between the barcode and the top edge of the window, and at least 3/16 inch between the barcode and the bottom edge of the mailpiece.
Top Cap - this is the material that forms a flat, level surface horizontal to the base of a pallet that is used to protect the integrity of the mail under the top cap while also supporting a loaded pallet above. A top cap must be secured to a pallet of mail with either stretchwrap or at least two crossed straps or bands.
Tray - this is a container used in postal facilities to hold letters and First-Class Mail flats. It is used as a basic unit of mail quantity for purposes of preparing mail to qualify for discounted postage. Also see full flat tray, full letter tray, less-than-full tray, and overflow tray.
Undeliverable-As-Addressed (UAA) - this is the mail that the USPS cannot deliver as addressed and must forward to the addressee, return to the sender, or send to a mail recovery center.
Unique ZIP Code - this is a ZIP Code assigned to a company, government agency, or entity with sufficient mail volume, based on the average daily volume of letter-size mail received, availability of ZIP Code numbers in the postal area, and USPS cost-benefit analyses.
United States Code (USC) - this is the official restatement of the general and permanent laws of the United States; 39 USC contains laws relating to the USPS.
Verification - this is the procedural checks of a mailing presented by a mailer to determine proper preparation and postage payment.
Walk Sequence - this is the order in which a carrier delivers mail for a route. This order is required for most carrier route presort mail.
WKG - this is an abbreviation for working, used on mail container labels that identifies the contents as mail that needs to be worked (sorted and distributed).
ZIP Code - this is a system of 5-digit codes that identifies the individual Post Office or metropolitan area delivery station associated with an address. ZIP+4 is an enhanced code consisting of the 5-digit ZIP Code and four additional digits that identify a specific range of delivery addresses.
ZIP+4 Code - this is a nine-digit numeric code composed of two parts: (a) the initial code: the first five digits that identify the sectional center facility and delivery area associated with the address, followed by a hyphen; and (b) the four-digit expanded code: the first two additional digits designate the sector (a geographic area) and the last two digits designate the segment (a building, floor, etc.).
ZIP+4 Barcode - this is a nine-digit POSTNET barcode consisting of 52 vertical bars. Also, see Postal Numeric Encoding Technique (POSTNET).
Zone Chart - this is the USPS Official National Zone Chart Data Program is administered by the National Customer Support Center (NCSC) in Memphis, TN. Single-page zone charts for originating mail are available at no cost from local Post Offices or online at: pe.usps.com under PE Tools.
Zoned Price - this is the pricing structure for Express Mail, Priority Mail, Periodicals, Parcel Post, and Bound Printed Matter that is based on weight and distance traveled (or the number of zones crossed).