Effective April 30, 2023, the Postal Service will be updating the Domestic Mail Manual (DMM) regarding commercial cash transactions being shipped through the mail.

The following updates will be implemented: ​

503.2.1.6 Mailing Cash Transactions

Items mailed containing commercial cash transactions over $500.00 must be sent as Registered Mail® (see 601.1.3.4).

601.1.3.4 Mailing Cash Transactions

The following standards apply for sending commercial cash transactions:

• Mailers must use Registered Mail service under 503.2.1.6 for commercial cash transactions over $500.00.
• Mailers must not use any USPS-provided packaging (i.e., expedited packaging supplies) when mailing commercial cash transactions, regardless of the amount.

Please refer to the attached FAQs regarding this update.