Post subclass mail that is prepared as specified by the Postal Service in a mailing of 50 or more pieces, entered at a facility authorized by the Postal Service, and sorted to destination BMCs, as specified by the Postal Service.

322.142 Origin Bulk Mail Center (OBMC) Discount. The origin bulk mail center discount applies to Inter-BMC Parcel Post subclass mail that is prepared as specified by the Postal Service in a mailing of at least 50 pieces, entered at the origin BMC, and sorted to destination BMCs, as specified by the Postal Service.

322.15 Barcoded Discount. The barcoded discount applies to Inter-BMC, Intra-BMC, and DBMC Parcel Post subclass mail that is entered at designated facilities, bears a barcode specified by the Postal Service, is prepared as specified by the Postal Service in a mailing of at least 50 pieces, and meets all other preparation and machinability requirements of the Postal Service.

322.16 Oversize Parcel Post.

322.161 Excessive Length and Girth. Parcel Post subclass mail pieces exceeding 108 inches in length and girth combined, but not greater than 130 inches in length and girth combined, are mailable.

322.162 Balloon Rate. Parcel Post subclass mail pieces exceeding 84 inches in length and girth combined and weighing less than 15 pounds are subject to a rate equal to that for a 15 pound parcel for the zone to which the parcel is addressed.

322.17 Nonmachinable Surcharge. InterBMC Parcel Post subclass mail that does not meet machinability criteria specified by the Postal Service is subject to a nonmachinable surcharge.

322.18 Pickup Service. Pickup service is available for Parcel Post subclass mail under terms and conditions specified by the Postal Service.

322.2 [Reserved]

322.3 Bound Printed Matter Subclass 322.31 Definition. The Bound Printed Matter subclass consists of Standard Mail weighing at least 16 ounces, but not more than 15 pounds, which:

a. Consists of advertising, promotional, directory, or editorial material, or any combination thereof;

b. Is securely bound by permanent fastenings including, but not limited to, staples, spiral bindings, glue, and stitching; loose leaf binders and similar fastenings are not considered permanent;

c. Consists of sheets of which at least 90 percent are imprinted with letters, characters, figures or images or any combination of these, by any process other than handwriting or typewriting;

d. Does not have the nature of personal correspondence;

e. Is not stationery, such as pads of blank printed forms.

322.32 Single-Piece Rate Category. The single-piece rate category applies to Bound Printed Matter subclass mail which is not mailed under section 322.33 or 322.34.

322.33 Bulk Rate Category. The bulk rate category applies to Bound Printed Matter subclass mail prepared in a mailing of at least 300 pieces, prepared and presorted as specified by the Postal Service.

322.34 Carrier Route Presort Rate Category. The carrier route presort rate category applies to Bound Printed Matter subclass mail prepared in a mailing of at least 300 pieces of carrier route presorted mail, prepared and presorted as specified by the Postal Service.

322.35 Barcoded Discount. The barcoded discount applies to single-piece rate and bulk rate Bound Printed Matter subclass mail that is entered at designated facilities, bears a barcode specified by the Postal Service, is prepared as specified by the Postal Service in a mailing of at least 50 pieces, and meets all other preparation and machinability requirements of the Postal Service.

323 SUBCLASSES WITH NO 16-OUNCE
LIMITATION

323.1 Special Subclass

323.11 Definition. The Special subclass consists of Standard Mail of the following types:

a. Books, including books issued to supplement other books, of at least eight printed pages, consisting wholly of reading matter or scholarly bibliography or reading matter with incidental blank spaces for notations, and containing no advertising matter other than incidental announcements of books. Not more than three of the announcements may contain as part of their format a single order form, which may also serve as a postcard. These order forms each time it appears subsection are in addition to and not in lieu of order forms which may be enclosed by virtue of any other provision;

b. 16 millimeter or narrower width films which must be positive prints in final form for viewing, and catalogs of such films, of 24 pages or more, at least 22 of which are printed, except when sent to or from commercial theaters;

c. Printed music, whether in bound form or in sheet form;

d. Printed objective test materials and accessories thereto used by or in behalf of educational institutions in the testing of ability, aptitude, achievement, interests and other mental and personal qualities with or without answers, test scores or identifying information recorded thereon in writing or by mark;

e. Sound recordings, including incidental announcements of recordings and guides or

or. if a combined piece with a section 321 Standard Mail attachment or enclosure weighs 16 ounces or more, the piece is subject to the Parcel Post rate for which it qualifies.

344.22 Specifically Authorized Attachments and Enclosures. Standard Mail mailed under sections 322 and 323 may contain enclosures and attachments as specified by the Postal Service and as described in subsections a and e of section 323.11, with postage paid on the combined piece at the Standard rate applicable to the host piece.

344.23 Incidental First-Class Attachments and Enclosures. First-Class Mail that meets one or more of the definitions in subsections b through d of section 210, may be attached to or enclosed with Standard Mail mailed under section 322 or 323, with postage paid on the combined piece at the Standard rate applicable to the host piece, if the attachment or enclosure is incidental to the piece to which it is attached or with which it is enclosed.

353 FORWARDING AND RETURN 353.1 Regular, Enhanced Carrier Route, Nonprofit and Nonprofit Enhanced Carrier Route Subclasses (section 321)

Undeliverable-as-addressed Standard Mail mailed under section 321 will be returned on request of the mailer, or forwarded and returned on request of the mailer. Undeliverable-as-addressed combined First-Class and Standard pieces will be returned as specified by the Postal Service. Except as provided in section 935, the applicable First-Class Mail rate is charged for each piece receiving return only service. Except as provided in section 936, charges for forwarding-and-return service are assessed only on those pieces which cannot be forwarded and are returned. Except as provided in sections 935 and 936, the charge for those returned pieces is the appropriate First-Class Mail rate for the piece plus that rate multiplied by a factor equal to the number of section 321 Standard pieces nationwide that are successfully forwarded for every one piece that cannot be forwarded and must be returned.

353.2 Parcel Post, Bound Printed Matter, Special, and Library Subclasses (sections 322 and 323)

Undeliverable-as-addressed Standard Mail mailed under sections 322 and 323 will be for

warded on request of the addressee, returned on request of the mailer, or forwarded and returned on request of the mailer. Pieces which combine Standard Mail from one of the subclasses described in 322 and 323 with First-Class Mail or Standard Mail from one of the subclasses described in 321 will be forwarded if undeliverable-as-addressed, and returned if undeliverable, as specified by the Postal Service. When Standard Mail mailed under sections 322 and 323 is forwarded or returned from one post office to another, additional charges will be based on the applicable single-piece Standard Mail rate under 322 or 323.

blank spaces for notations, and containing no advertising matter other than incidental announcements of books.

323.22 Single-Piece Rate Category. The single-piece rate category applies to Library subclass mail not mailed under section 323.23 or 323.24.

323.23 Level A Presort Rate Category. The Level A presort rate category applies to mailing of at least 500 pieces of Library subclass mail, prepared and presorted to fivedigit destination ZIP Codes as specified by the Postal Service.

323.24 Level B Presort Rate Category. The Level B presort rate category applies to mailing of at least 500 pieces of Library subclass mail, prepared and presorted to destination Bulk Mail Centers as specified by the Postal Service.

323.25 Barcoded Discount. The barcoded discount applies to Library subclass mail that is entered at designated facilities, bears a barcode specified by the Postal Service, is prepared as specified by the Postal Service in a mailing of at least 50 pieces, and meets all other preparation and machinability requirements of the Postal Service.

330 PHYSICAL LIMITATIONS

331 SIZE

Except as provided in section 322.161, Standard Mail may not exceed 108 inches in length and girth combined. Additional size limitations apply to individual Standard Mail subclasses. The maximum size for mail presorted to carrier route in the Enhanced Carrier Route and Nonprofit Enhanced Carrier Route subclasses is 14 inches in length, 11.75 inches in width, and 0.75 inch in thickness. For merchandise samples mailed with detached address cards, the carrier route maximum dimensions apply to the detached address cards and not to the samples.

332 WEIGHT

Standard Mail may not weigh more than 70 pounds. Additional weight limitations apply to individual Standard Mail subclasses.

340 POSTAGE AND PREPARATION

341 POSTAGE

Postage must be paid as set forth in section 3000. When the postage computed at a Regular, Enhanced Carrier Route, Nonprofit or Nonprofit Enhanced Carrier Route Standard rate is higher than the rate prescribed in any of the Standard subclasses listed in 322 or 323 for which the piece also qualifies (or would qualify, except for weight), the piece is eligible for the applicable lower rate. All mail mailed at a bulk or presort rate must have postage paid in a manner not requiring cancellation.

Pieces not identical in size and weight may be mailed at a bulk or presort rate as part of the same mailing only when specific methods approved by the Postal Service for determining and verifying postage are followed.

344 ATTACHMENTS AND ENCLOSURES 344.1 Regular, Enhanced Carrier Route, Nonprofit and Nonprofit Enhanced Carrier Route Subclasses (section 321)

344.11 General. First-Class Mail may be attached to or enclosed in Standard books, catalogs, and merchandise entered under section 321. The piece must be marked as specified by the Postal Service. Except as provided in section 344.12, additional postage must be paid for the attachment or enclosure as if it had been mailed separately. Otherwise, the entire combined piece is subject to the First-Class rate for which it qualifies.

344.12 Incidental First-Class Attachments and Enclosures. First-Class Mail, as defined in subsections b through d of section 210, may be attached to or enclosed with Standard merchandise entered under section 321, including books but excluding merchandise samples, with postage paid on the combined piece at the applicable Standard rate, if the attachment or enclosure is incidental to the piece to which it is attached or with which it is enclosed.

344.2 Parcel Post, Bound Printed Matter, Special, and Library Subclasses (sections 322 and 323)

344.21 General. First-Class Mail or Standard Mail from any of the subclasses listed in section 321 (Regular, Enhanced Carrier Route, Nonprofit or Nonprofit Enhanced Carrier Route) may be attached to or enclosed in Standard Mail mailed under sections 322 and 323. The piece must be marked as specified by the Postal Service. Except as proIvided in sections 344.22 and 344.23, additional postage must be paid for the attachment or enclosure as if it had been mailed separately. Otherwise, the entire combined piece is subject to the First-Class or section 321 Standard rate for which it qualifies (unless the rate applicable to the host piece is higher),

or, if a combined piece with a section 321 Standard Mail attachment or enclosure weighs 16 ounces or more, the piece is subject to the Parcel Post rate for which it qualifies.

344.22 Specifically Authorized Attachments and Enclosures. Standard Mail mailed under sections 322 and 323 may contain enclosures and attachments as specified by the Postal Service and as described in subsections a and e of section 323.11, with postage paid on the combined piece at the Standard rate applicable to the host piece. 344.23

Incidental First-Class Attachments and Enclosures. First-Class Mail that meets one or more of the definitions in subsections b through of section 210, may be attached to or enclosed with Standard Mail mailed under section 322 or 323, with postage paid on the combined piece at the Standard rate applicable to the host piece, if the attachment or enclosure is incidental to the piece to which it is attached or with which it is enclosed.

353 FORWARDING AND RETURN 353.1 Regular, Enhanced Carrier Route, Nonprofit and Nonprofit Enhanced Carrier Route Subclasses (section 321)

Undeliverable-as-addressed Standard Mail mailed under section 321 will be returned on request of the mailer, or forwarded and returned on request of the mailer. Undeliverable-as-addressed combined First-Class and Standard pieces will be returned as specified by the Postal Service. Except as provided in section 935, the applicable First-Class Mail rate is charged for each piece receiving return only service. Except as provided in section 936, charges for forwarding-and-return service are assessed only on those pieces which cannot be forwarded and are returned. Except as provided in sections 935 and 936, the charge for those returned pieces is the appropriate First-Class Mail rate for the piece plus that rate multiplied by a factor equal to the number of section 321 Standard pieces nationwide that are successfully forwarded for every one piece that cannot be forwarded and must be returned.

353.2 Parcel Post, Bound Printed Matter, Special, and Library Subclasses (sections 322 and 323)

Undeliverable-as-addressed Standard Mail mailed under sections 322 and 323 will be for

warded on request of the addressee, returned on request of the mailer, or forwarded and returned on request of the mailer. Pieces which combine Standard Mail from one of the subclasses described in 322 and 323 with First-Class Mail or Standard Mail from one of the subclasses described in 321 will be forwarded if undeliverable-as-addressed, and returned if undeliverable, as specified by the Postal Service. When Standard Mail mailed under sections 322 and 323 is forwarded or returned from one post office to another, additional charges will be based on the applicable single-piece Standard Mail rate under 322 or 323.

360 ANCILLARY SERVICES

361 ALL SUBCLASSES

All Standard Mail will receive the following services upon payment of the appropriate fees:

382 SPECIAL AND LIBRARY SUBCLASSES

A presort mailing fee as set forth in Schedule 1000 must be paid once each year at each office of mailing by or for any person who mails presorted Special or Library subclass mail. Any person who engages a business concern or other individuals to mail presorted Special or Library subclass mail must pay the fee.

383 PARCEL POST SUBCLASS

A mailing fee as set forth in Schedule 1000 must be paid once each year by mailers of Destination BMC Destination SCF or Destination Delivery Unit rate category mail in the Parcel Post subclass.

PERIODICALS CLASSIFICATION SCHEDULE

410 DEFINITION

411 GENERAL REQUIREMENTS

411.1 Definition. A publication may qualify for mailing under the Periodicals Classi

fication Schedule if it meets all the requirements in sections 411.2 through 411.5 and the requirements for one of the qualification categories in sections 412 through 415. Eligibility for specific Periodicals rates is prescribed in section 420.

411.2 Periodicals. Periodicals class mail is mailable matter consisting of newspapers and other periodical publications. The term "periodical publications" includes, but is not limited to:

a. Any catalog or other course listing including mail announcements of legal texts which are part of post-bar admission education issued by any institution of higher education or by a nonprofit organization engaged in continuing legal education.

b. Any looseleaf page or report (including any index, instruction for filing, table, or sectional identifier which is an integral part of such report) which is designed as part of a looseleaf reporting service concerning developments in the law or public policy.

411.3 Issuance

411.31 Regular Issuance. Periodicals class mail must be regularly issued at stated intervals at least four times a year, bear a date of issue, and be numbered consecutively.

411.32 Separate Publication. For purposes of determining Periodicals rate eligibility, an "issue" of a newspaper or other periodical shall be deemed to be a separate publication when the following conditions exist:

a. The issue is published at a regular frequency more often than once a month either on (1) the same day as another regular issue of the same publication; or (2) on a day different from regular issues of the same publication, and

b. More than 10 percent of the total number of copies of the issue is distributed on a regular basis to recipients who do not subscribe to it or request it, and

c. The number of copies of the issue distributed to nonsubscribers or nonrequesters is more than twice the number of copies of any other issue distributed to nonsubscribers or nonrequesters on that same day, or, if no other issue that day, any other issue distributed during the same period. "During the same period" shall be defined as the periods of time ensuing between the distribution of each of the issues whose eligibility is being examined. Such separate publications must independently meet the qualifications for Periodicals eligibility.

411.4 Office of Publication. Periodicals class mail must have a known office of publication. A known office of publication is a public office where business of the publication is transacted during the usual business hours. The office must be maintained where the publication is authorized original entry.

411.5 Printed Sheets. Periodicals class mail must be formed of printed sheets. It