New requirements for letter-size booklets mailed at automation and machinable letter prices were printed in the April 15 Federal Register. The purpose of the new requirements is to reduce damage to mail and eliminate the use of alternative processing methods for these pieces.

Booklets are defined as mailpieces that have a bound edge. This includes sheets that are fastened with at least two staples in the manufacturing fold (saddle stitched), perfect bound, pressed-glued or joined together by another binding method that is automation compatible and produces an end where pages are attached together. Booklets are generally open on three sides before sealing, similar in design to a book.

In general, booklets must be uniformly thick. Large bound booklets that are folded for mailing, also defined as a quarter-fold booklet, qualify for automation and machinable prices if the final mailpiece remains nearly uniform in thickness.
Mailers are encouraged to become familiar with these new requirements, which include required methods for securing open edges, to prepare for the Sept. 8 implementation date. Find â¬Å"New Standards for Letter-Size Booklets,â¬â on Postal Explorer at pe.usps.com â¬" click Federal Register notices â¬" to prepare for the change.
 
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