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How do I Register my business with the Massachusetts Department of revenue?

Learn how to register your business with MassTaxConnect — DOR’s web-based application for filing and paying taxes. You can also learn how to apply for an Employee Identification Number (EIN), request a certificate of good standing, or find out about the latest business tax credits.

What is masstaxconnect?

MassTaxConnect Welcome to MassTaxConnect, the Massachusetts Department of Revenue’s web-based application for filing and paying taxes in the Commonwealth. Skip to Main Content Mass.gov Javascript must be enabled to use this site. © Commonwealth of MassachusettsMass.gov® is a registered service mark of the Commonwealth of Massachusetts.

Who is the registered service mark of the Commonwealth of Massachusetts?

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