This CSR provides examples of delivery address placement on flat-size envelope, polywrapped, and card-type pieces. This CSR also provides examples of delivery address placement on flat-size bound or folded pieces.

This CSR describes the preparation of letter-size automation mailpieces that contain or have affixed thin flexible magnets, such as those designed to be placed on refrigerators or similar surfaces.

This CSR discusses the use of the 'host piece test' when combining different classes of mail within a mailpiece.

This CSR discusses the eligibility of computer-readable media at the Media Mail prices.

This CSR provides the requirements for mailing a laminated card-type letter or postcard mailpiece at the applicable automation letter or postcard prices.

This CSR provides an additional option to allow mailers to mail Bound Printed Matter (BPM) flat-sized pieces that are no more than 3/4 inch thick that weigh over 20 ounces and up to 24 ounces in a mixed class combined mailing.

This CSR provides an additional option to allow mailers to mail Periodicals flat-sized pieces that are no more than 3/4 inch thick that weigh over 20 ounces and up to 24 ounces in a combined mailings at the applicable Periodicals flat-sized machinable barcoded prices.

This CSR discusses the standards for mailing subscriber and requester copies at the In-County rates of postage.

This CSR discusses the page and advertising standards required for a requester publication.

This CSR discusses an option for mailers to prepare and enter Parcel Select Lightweight machinable parcels at an SCF facility and provides the conditions for this option.

This CSR provides an option for Periodicals mailers to prepare flat-size pieces in flat trays entered at certain facilities without the use of lids and strapping.

This Customer Support Ruling identifies which mail will be accepted at eligible "Service Hubs" to accommodate operational needs and to facilitate the movement of mail for down-flow facilities.

In this CSR, a case study clarifies whether certain 'personal information' present in the mailpiece of a credit card issuer's mailing is part of an 'explicit' advertisement where all of the personal information is 'directly related' to the advertisement and the 'exclusive' purpose for including the personal information is to support the advertisement.

In this CSR a determination will be made as to whether a 'check' is considered 'personal information' and mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

In this CSR, a determination will be made as to whether a 'check', while present in a mailpiece, is 'personal' information mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

In this CSR a determination will be made as to whether a 'check' is 'personal' information and mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR shows whether a computer-prepared mortgage payment card is considered a bill or statement of account that is mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices, rather than as USPS Marketing Mail.

This CSR discusses the use of the simplified address format for government adresses.

This CSR discusses whether a postcard mailed at the card price may bear an attachment.

This CSR discusses whether a mailpiece that bears a handwritten addition may be mailed as USPS Marketing Mail, rather than at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR discusses the eligibility of loose-leaf pages as books at Media Mail prices.

This CSR discusses the use of extra services when mailing material as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR discusses permissible methods of producing printed sheets for Periodicals publications.

This CSR discusses the eligibility of books at Media Mail prices.

This CSR discusses envelopes included in copies of a Periodicals publication.

This CSR determines the rate of postage required on a sealed envelope enclosed in a mailpiece.

This CSR discusses the placement of advertising on detached address labels.

This CSR discusses the eligibility of a state committee of a political party to mail at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR discusses whether certain information inserted into a mailpiece by computer constitutes "personal information" within the meaning of postal standards governing what may be mailed as USPS Marketing Mail and what must be mailed as First-Class Mail.

This CSR discusses the use of unauthorized endorsements.

This CSR discusses circumstances when rates other than Periodicals postage rates apply for mailing copies of a Periodicals publication.

This CSR discusses the provisions for transcribers and typists to mail material as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR discusses cooperative mailings and lists factors to consider in the determination of an eligible or ineligible cooperative mailing.

This CSR is a case study of a prototype mailpiece containing books and charts that a postal customer wants to mail at Media Mail prices.

This CSR discusses whether "stock certificates" filled out in handwriting or typewriting are considered handwritten or typewritten matter that is mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR discusses whether the age of documents affects their status as handwritten or typewritten matter that is mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR discusses materials that were provided to an authorized organization by an outside party or entity that are mailable by the authorized nonprofit organization at the Nonprofit USPS Marketing Mail (nonprofit) prices.

This CSR discusses the identification of a nonprofit organization on matter mailed at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR discusses the eligibility of a so-called "political action committee" of an authorized nonprofit organization to mail at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR discusses eligibility of materials to be mailed at the Nonprofit USPS Marketing Mail (nonprofit) prices when the name of a celebrity, politician, or other "endorser" is shown on the envelope or printed materials being mailed.

This CSR concerns material that may be attached to the cover of a bound Periodicals publication without enclosing the publication in a mailing wrapper.

This CSR describes the preparation of letter-size automation compatible envelopes that contain coins, tokens, or similar small flat odd-shaped items. This ruling does not pertain to items thicker than a U.S. nickel.

In this CSR, a case study of a financial institution's mailing clarifies what is considered "personal information" when determining what may be mailed as USPS Marketing Mail and what is required to be mailed as First-Class Mail.

This CSR is a case study in the use of Nonprofit USPS Marketing Mail prices when mailing under the "fundraising exception" to the cooperative mail rule.

This CSR discusses the identification of a nonprofit organization on matter mailed at the Nonprofit USPS Marketing Mail (nonprofit) prices.

This Customer Support Ruling discusses the preparation and labeling of pallets of simplified addressed mailpieces, commonly referred to as Every Door Direct Mail (EDDM).

This CSR discusses whether "personal information" in the mailpiece of an organization authorized to mail at the Nonprofit USPS Marketing Mail prices causes the piece to be ineligible for USPS Marketing Mail prices.

This CSR discusses whether "personal information" present in the mailpiece of an organization authorized to mail at Nonprofit USPS Marketing Mail prices causes the piece to be ineligible for USPS Marketing Mail prices.

This CSR discusses whether "personal information" in an "advocacy" mailpiece causes the piece to be ineligible for entry as USPS Marketing Mail.

This CSR discusses the 'agents' who perform services on behalf of foreign publishers seeking Periodicals privileges for the purpose of mailing copies of foreign publications.

In this CSR, a question is raised as to whether certain information is considered 'personal' information for the purpose of classifying mail.

In this CSR a determination will be made as to whether certain 'personal' information present in the mailpiece is part of an 'explicit' advertisement where all of the personal information is 'directly related' to the advertisement and the 'exclusive' purpose for including the personal information is in support of the advertisement.

This CSR discusses the use of embossing techniques on permit imprints.

This CSR determines when mailers may enter USPS Marketing Mail parcels at Destination Delivery Units (DDUs) and claim the 3/5 Presorted rate and the Destination Network Distribution Center (DNDC) discount.

This CSR discusses the assessment of postage charges for ineligible enclosures in Periodicals publications when the material is detected after acceptance.

This CSR discusses the eligibility of an organization authorized to mail at the Nonprofit USPS Marketing Mail rates to enter mail on behalf of an integral department of the organization at those prices.

This CSR discusses the eligibility of membership benefits for labor unions and similar organizations in a mailing at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR discusses the eligibility of a travel arrangement advertisement for a recreational or religious event in a mailing at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR discusses the standard for enclosing printed USPS Marketing Mail enclosures in a Periodicals publication.

This CSR discusses the eligibility of lottery advertisements by authorized nonprofit organizations.

This CSR discusses balancing (or leveling) of bundles for those limited situations in which the pieces that would ordinarily constitute the 'last bundle' for a presort destination are less than the minimum amount required for the destination.

This CSR discusses the acceptance of materials mailed by voting registration officials at Nonprofit USPS Marketing Mail (nonprofit) prices.

This CSR discusses the availability of postal insurance for airline tickets.

This CSR discusses the documents that are eligible to be mailed with return receipt for merchandise service.

This CSR pertains to documentation submitted to support Enhanced Carrier Route (ECR) USPS Marketing Mail price mailings prepared in walk sequence using the Postal Service's Computerized Delivery Sequence (CDS) product.

This CSR discusses the eligibility of charitable gift annuities (CGA) advertisements in mailings at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR discusses how a single mailing can be eligible to receive multiple entry discounts.

This CSR discusses the eligibility of a travel arrangement advertisement in a mailing at the Nonprofit USPS Marketing Mail prices of postage.

This CSR discusses the eligibility of membership benefits in a mailing at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR discusses the delivery stop information update requirements for Periodicals, USPS Marketing Mail, and Bound Printed Matter (BPM) carrier route/Enhanced Carrier Route price mailings using the simplified address format.

This CSR discusses the eligibility of special-event fundraising mailings sent at the Nonprofit USPS Marketing Mail (nonprofit) prices that show the names or logos of sponsoring organizations.

In this CSR, a determination will be made as to whether a mailpiece containing "personal" information is eligible as USPS Marketing Mail.

This CSR discusses the advertising content of an issue of a general or requester publication prepared in editions.

This CSR discusses why Business Reply Mail is not eligible to be sent as Certified Mail.

This CSR discusses the eligibility of a charge card advertisement in copies of a circular mailed to members of an organization at the Nonprofit USPS Marketing Mail (nonprofit) prices of postage.

This CSR will discuss whether "personal information" present in the mailpiece of an organization authorized to mail at the Nonprofit USPS Marketing Mail prices causes the piece to be ineligible for USPS Marketing Mail prices.

In this CSR, a case study clarifies whether certain 'personal information' present in the mailpiece of a 'points program' mailing is part of an 'explicit' advertisement where all of the personal information is 'directly related' to the advertisement and the 'exclusive' purpose for including the personal information is in support of the advertisement.

This CSR discusses detached address labels and the saturation requirements for Periodicals and USPS Marketing Mail flats.

This CSR describes optional pallet preparation and labeling requirements that may be used with nonmachinable, nonbarcoded mailings of USPS Marketing Mail or Periodicals carrier route letters or flats (saturation, high density or carrier route prices) for which a specific in-home delivery date is requested.

This CSR discusses the polywrap standards for overhang (selvage) when 2 or more magazines with dissimilar width dimensions are polywrapped into the same co-mail pool.

This CSR provides guidelines on the specifications for strapping used on letter and flat trays.

This CSR discusses valid requests and the types of records publishers should maintain to support compliance with circulation standards for requester publications.

This Customer Support Ruling discusses an option for MLOCR mailers to prepare First-Class Mail Bundle Based Flats and provides the conditions for this option.

This CSR discusses the standards for newspapers authorized to use a monthly postage statement.

This CSR provides a definition of advertising matter in a Periodicals publication.

This Customer Support Ruling discusses the adoption of a resolution to substantiate paid circulation consisting of membership subscriptions for certain publications of institutions and societies that may be authorized to carry general advertising-i.e., advertising that includes other than publisher's advertising only.

This CSR discusses the methods that can be used to measure the advertising portion of a Periodicals publication.

This CSR discusses the eligibility of a request for a Periodicals publication that was induced by a premium offer.

This CSR discusses the classification of a reader service card enclosed in a Periodicals publication.

This CSR discusses the eligibility of mailing similar copies of newspapers or other publications under different permits.

This CSR discusses the rate of postage charged for page headings.

This CSR discusses nominal rate subscriptions for publications in the Periodicals general publications category.

This CSR discusses the standards for mailing nonsubscriber copies at the In-County rates.

This CSR discusses alternative methods used to substantiate the payment for subscriptions by membership organizations.

This CSR discusses advertisements that are printed on wrappers covering individual copies of a Periodicals publication.

This CSR discusses the use of the simplified and exceptional address formats on copies of a Periodicals publication.

This CSR discusses the privileges a publication pending Periodicals authorization is eligible to receive. It also discusses combined mailings of pending and authorized Periodicals publications

This CSR discusses the eligibility of expired subscriptions of a general publication.

This CSR discusses the proper preparation of fragrance and cosmetic advertisements designed to be included in copies of bound publications mailed at the Periodicals rates.

This CSR discusses a procedure to assist in the verification of records for publications with large circulations.

This CSR discusses whether a 'reader profile' questionnaire is considered advertising or nonadvertising matter.

This CSR discusses whether an advertiser index page is considered advertising or nonadvertising matter.

This CSR discusses whether a questionnaire may be considered matter related exclusively to a subscription or a request for a Periodicals publication.

This CSR discusses the circulation standards that apply to newspapers and other periodical publications authorized Periodicals mailing privileges under the general publications category.

This Customer Support Ruling provides examples of permissible multilayer pages in copies of Periodicals publications.

This CSR clarifies what material that may be attached to the cover of an unbound Periodicals publication without enclosing the publication in a mailing wrapper.

This CSR discusses the factors used to determine if a publication qualifies for classroom rates.

This CSR discusses a change in a publisher's known office of publication when it remains within the jurisdiction of the same original entry post office. It also discusses a change in ownership of a Periodicals publication.

This CSR discusses how a Periodicals publication's title may appear when the publication is prepared in multiple editions.

This CSR discussses the use of Mobile Barcodes in a Periodicals publication to determine whether it would be considered advertising or nonadvertising content.

This CSR discusses perishable matter that may be inserted in copies of a Periodicals publication as unsolicited promotional product samples prepared in completely sealed, sift-proof see-through pouches.

This CSR describes the conditions under which Compact Fluorescent Lamps (CFL), also known as compact fluorescent light bulbs or compact fluorescent tubes, are mailable.

This CSR describes the conditions under which certain flammable and combustible liquids that do not sustain combustion are mailable.

This Customer Support Ruling describes the procedure to determine whether a parcel containing selvage is subject to dimensional weight or machinable parcel pricing, eligible for certain preparation options, or is subject to balloon or oversized pricing.

This CSR determines whether computer-generated 'identification cards' contain 'personal information' and are mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR discusses the standards for sealing a double postcard at the First-Class Mail card prices.

This CSR determines whether computer-generated 'notification of birth registration forms' contain 'personal information' and are mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR discusses the eligibility of maps in books at Media Mail prices.

This CSR discusses the eligibility of calendars as Bound Printed Matter (BPM).

This CSR determines whether a computer-generated 'alumni record' contains 'personal information' and is mailable only at First-Class Mail, Priority Mail, or Priority Mail Express Prices.

This CSR determines whether a driver's license, motor vehicle registration, and title contain 'personal information' and are mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR discusses the standards for mailing a postcard at the First-Class Mail card prices.

This CSR determines whether two computer-generated 'interest statements' contain 'personal information' and are mailable only at First-Class Mail, Priority Mail, or Priority Mail Express prices.

This CSR discusses the mailability of live animals.

This CSR discusses the eligibility of copyright material at Media Mail prices.

This CSR discusses the eligibility of scientific instruments at Library Mail prices.

This CSR discusses the sealing of matter mailed at Package Services prices.

This CSR discusses the eligibility of motor common carrier tariffs at Media Mail prices.

This CSR provides a definition of 'libraries' as stated in the Domestic Mail Manual.

This CSR discusses the eligibility of objective test materials at Media Mail prices.

This CSR discusses the eligibility of manuscripts at Media Mail prices.

This CSR discusses advertisements in books mailed at Media Mail prices.

This CSR discusses the standards for mailing a double postcard at the card price.

This CSR discusses the eligibility of manuals at Media Mail prices.

This Customer Support Ruling discusses the use of company permit imprint.

This Customer Support Ruling discusses the procedures when refusing a piece of mail, endorsed 'Return Service Requested' or when any unendorsed piece of mail is opened and the addressee wishes to return the item to the sender without affixing new postage.

This CSR discusses attaching repositionable notes (RPNs) to newspapers and other flats prepared as Carrier-Route, destination delivery unit entry only mail.

This CSR clarifies that packaging standards apply to all mailpieces that contain books, Bound Printed Matter (BPM), heavy journals or magazines, and similar items.

This CSR discusses the preparation and labeling of low volume pallets under limited circumstances.

This CSR discusses the use of addressee designators on mailpieces using the occupant address or simplified address format.

This CSR discusses insured mail and the payment of claims.

This CSR explains what happens when a mailer uses an endorsement for forwarding and return address correction service(s), but then refuses to pay the fee for the service rendered.

This CSR provides a determination on the mailability of library order forms as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR discusses the improper use of Business Reply Mail cards, envelopes, and labels.

This CSR discusses mail addressed to inmates or prisoners, including forwarding and undeliverable items.

This CSR discusses the use of precanceled and unprecanceled stamps to pay for regular postage and fees.

This CSR discusses the minimum type size for material mailable as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR discusses material that is eligible to be mailed as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR discusses requirements for material mailable as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR provides a determination on the mailability of shipping cartons as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR discusses the requirements for unsealed letters sent by blind or other handicapped persons.

This CSR provides a determination on the mailability of a Periodicals subscription order form as Free Matter for the Blind and Other Physically Handicapped Persons.

This CSR discusses the operational impact of torn postage stamps, and replacement procedures.

This CSR discusses forwarding of mail marked as Free Matter for the Blind or Handicapped.

This CSR discusses the use of postage stamps with advertising stickers in an advertising campaign.

This CSR defines persons who are eligible for Free Matter for the Blind and Other Physically Handicapped Persons mailing privileges.