
How to Notarize Form 1583 Online?
Before you notarize anything, let’s get clear on what Form 1583 actually does. If you’re using a virtual mailbox service like iPostal1, Anytime Mailbox, or PostScan Mail, you’re legally required to file this form with USPS. Why? Because “Form 1583 authorizes a Commercial Mail Receiving Agency (CMRA) to receive mail




