New Mailing Standards for Domestic Mailing Services Products
AI-generated summary for informational purposes only. Not legal advice. See the original source for the authoritative text.
This proposed rule changes how domestic mail services are priced and classified. It eliminates certain non-standard pricing rates and introduces new weight limits for various mail categories. These adjustments affect businesses using USPS services, who need to review the new standards to maintain compliance and take advantage of discounts.
AI-generated summary. May contain errors. Refer to official sources for legal decisions.
Key Changes
- Elimination of ADC/AADC rates
- Restructure of Periodicals pricing
- Introduction of weight limits for Marketing Mail
Obligations
What this law requires
Businesses using USPS domestic mailing services must eliminate use of ADC/AADC rate categories for First-Class Mail, USPS Marketing Mail, and Periodicals and transition to 3-Digit rates effective July 12, 2026
Mailers combining First-Class Mail Cards and First-Class Mail Letters in the same mailing must present mail at the same time and on the same postage statement to qualify for presort pricing when combined total is 500 or more pieces
Mailers must increase maximum weight limits for USPS Marketing Mail automation and non-automation flat-shaped pieces from 16 ounces to 20 ounces, and Carrier Route flats to 24 ounces, effective July 12, 2026
Commercial mailers of Market Dominant parcels (excluding Periodicals and Heavy Printed Matter) must comply with published package barcode quality criteria or incur a noncompliance fee
Mailers preparing USPS Marketing Mail flats in flat trays must eliminate bundling and comply with revised mail preparation standards effective July 12, 2026