USPS Sort Freedom: Mailers Ditch Mandatory Flats Formatting Fuss
Published Date: 5/16/2025
Rule
Summary
The Postal Service is giving mailers more freedom by making 5-digit, 3-digit, and ADC sorting for First Class Mail and USPS Marketing Mail flats optional instead of required. This change helps businesses save time and money by choosing how they want to prepare their mail. The new rules kick in soon, so mailers should get ready to pick the best option for them!
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
First-Class Flats Sorting Optional
If you prepare First Class Mail flats, you no longer must sort them by 5-digit, 3-digit, or ADC. Those preparations are now optional instead of required, so your business can choose how to prepare mail and may save time and money.
Marketing Mail Flats Sorting Optional
If you prepare USPS Marketing Mail flats, 5-digit, 3-digit, and ADC sorting are now optional instead of required. This change lets your business pick how to prepare marketing mail and may save time and money on mail processing.
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Key Dates
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