145.zip

To qualify under these standards, the pieces must meet specific dimensions:

: All mailpieces must be separated by delivery route or Post Office Box section. 145.zip

This section outlines the requirements for preparing EDDM-Retail flats to ensure they are accepted for delivery. To qualify under these standards, the pieces must

: Delivery statistics and route information must be obtained using the USPS EDDM web tool . Physical Standards for 145 Flats To qualify under these standards

: More than 1/4 inch but not more than 3/4 inch thick.