You can optionally print USPS Form 3877 - Firm Book, which lets you submit a consolidated printed list of multiple COD shipments to the USPS for endorsement. This is usually an end-of-day process.
If you print USPS Form 3877-Firm Book, you do not need to include Parts 3 and 4 of USPS Form 3816. To verify your settings for whether to print Parts 3 and 4, see Specify COD Options.
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