Intelligent Mail® Package Barcode (IMpb)
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Fact Sheets
05/27/2025
IMpb/IMmb Electronic File Transmission Requirements

Fact Sheets
08/12/2024
IMpb Fact Sheet

This document is an overview of the IMpb verification process.

Fact Sheets
08/12/2024
IMpb Fact Sheet

This document is an overview of the IMpb verification process.

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