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Quick Service Guide 330a
First-Class Mail Nonautomation Flats
May 5, 2014
Physical Standards (301)
For an overview of the physical standards for commercial flats, see Quick Service Guide 301.
Prices and Fees (333.1.0)
For a complete list of commercial First-Class Mail prices, see Notice 123–Price List.
Annual presort mailing fee applies.
First-Class Mail is required for personal correspondence, handwritten or typewritten material, and bills or statements of account. It may also be used for any mailable item, including advertisements and lightweight merchandise.
Eligibility Standards (333.3.0)
Mailings of 500 or more addressed pieces, sorted and marked as described below. All pieces must fit within flat-size processing category (301).
Each piece must include a complete delivery address with correct ZIP Code or ZIP+4 Code.
Addresses on all pieces must be updated within 95 days before mailing through a USPS-approved address update tool (e.g., ACS, NCOALink, or the appropriate ancillary service endorsement under 507.1.0). For an overview of the First-Class Mail Move Update standards, see Quick Service Guide 230a.
A certified process (233.3.6) must be used within 12 months before mailing to ensure accuracy of 5-digit ZIP Codes.
Pieces that are rigid, nonrectangular, or not uniformly thick must be prepared as parcels and pay parcel prices (433.1.3).
Mailers can apply Repositionable Notes for an additional charge. See 705.22.0.
Postage Payment and Documentation (334)
Precanceled stamp (604.3.0), meter (604.4.0), or permit imprint (604.5.0).
Additional standards apply to mailings of nonidentical-weight pieces.
Mail Preparation (335)
Marking on each piece in the postage area (302.3.0): “Presorted (or PRSRT) First-Class.”
Use 2-inch tray labels (335.4.0).
Flat trays capped (green side up) and secured with two straps (335.3.0).
Any mailing job that contains bundles of Presorted flats and bundles of automation flats must be co-trayed using 705.9.1.
Enter and Deposit (336)
Mailing entered at an acceptance point designated by USPS.