Why USPS Form 1583 Is Required?


Any person or business that rents a mailbox directly from an approved third party (CMRA) must complete form 1583. When submitted to the United States Post Office, form 1583 will be stored and kept on file to identity and track addressees who use this service for any unapproved or illegal purpose.


A downloadable PDF file of the form is available here: USPS Form 1583



Allowed identifications to get it notarized:
Two forms of identification are required for the completion of this form. Credit cards, social security, and birth certificates are not accepted. In addition, one form of identification must be a photo ID. Here is a list of what they will accept from you:

  • Alien registration card or certificate of naturalization
  • Current lease, mortgage, or Deed of Trust
  • Voter or vehicle registration card
  • Home or vehicle insurance policy
  • Valid driver's license or state non-driver's identification card
  • Armed forces, government, university, or recognized corporate identification card
  • Passport

Step by Step Instructions

  • Box #1
    • Enter the date when you complete this.
  • Box #2
    • Enter the name of the person to whom the mail will be sent and can also be your doing business name (sometimes called a fictitious business name) if registered depending on which state you live.
  • Box #3
    • Enter the exact mailbox address and number in the welcome email sent to you when you signed up. 
  • Box #4
    • Enter the name of the CMRA in section (a), your new address in section (b - e).
  • Box #5 - Sign to authorize CMRA operator to receive mail on your behalf. 
  • Box #6
    • Enter the same name as the person or business name who will be receiving mail.
  • Box #7
    • Enter your home or business address that corresponds to the applicant.
  • Box #8
    • Two forms of identification are required in this section and a reminder, one must be a picture ID. The agent must write in identifying information. Subject to verification.
  • Box #9
    • A business name that's either the same or different from the applicant as long as it corresponds to the entity opening up the mailbox.
  • Box #10
    • Add the mailing address of your business address if it is different, or your home address if an individual.
  • Box #11
    • Enter what your business does and the type of product or service you manage and/or sell.
  • Box #12
    • If your mailbox will be used by multiple people at your company or firm. You must add each person who would receive mail. 
  • Box #13
    • This is for any member of a corporation who would receive mail at this address. 
  • Box #14
    • A Country, state, and date of your business registration or a fictitious business name.
  • Box #15
    • This section is for the notary or authorized agent to sign. 
  • Box #16
    • Your signature

For your customer's guidance, you can send them a completed sample of the form attached below.