USPS Form 1583 — Mailbox (CMRA) Authorization
The form a Commercial Mail Receiving Agency (virtual mailbox, mailbox store) requires to receive your mail on your behalf. Notarize it online instead of driving to the store.
What it is
PS Form 1583 authorizes a CMRA — a virtual mailbox provider or mailbox store — to receive mail addressed to you. The provider must verify two forms of your ID, which is why the form is commonly notarized when you're onboarding remotely.
Who needs it
Anyone signing up for a virtual mailbox, mailbox rental, or business mailing address who is onboarding online rather than in person.
How it works
- 1Complete PS Form 1583 with your mailbox provider's details (they usually pre-fill their box/agent section).
- 2Have two acceptable forms of ID ready — one photo ID and one address-verifying document.
- 3Meet a notary online to verify your identity and notarize the form, then send it to your provider.
Common questions
Which ID do I need for a PS-1583?
Two forms: a government photo ID (driver's license, passport) plus a second document verifying your home address, such as a lease, deed, voter registration, or current insurance policy. The same IDs are shown to the notary.
Read the full walkthrough: our guide to this document.
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