USPS Form 1583, EIN, and Assumed Name: The Forms Every Business Meets

A few forms show up for almost every new business, and each one is small but easy to get wrong. USPS Form 1583 is what lets someone else, like a mailbox or virtual office, receive your mail. It needs two forms of ID and a notary, and it is signed under penalty of perjury, so the details have to match. An EIN is your federal tax ID from the IRS, the number a bank asks for before it opens your account. An assumed name filing, also called a DBA, lets you operate under a name different from your legal entity name.

None of these are hard. They are just unfamiliar, and a wrong box or a missing signature means starting over. That is the whole reason to hand them off.

Lobi Business Compliance helps you get each one filed correctly.

The step-by-step guide to Form 1583 is live now, and if you need to check whether an assumed name is available, the Illinois business search guide shows you how. See compliance and filing prices.

Part of Lobi Business Compliance.