DOR Tax Obligations by Business Type

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Types of Businesses

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• MA DOR Registration and Tax Requirements for Sole Proprietorships  
• Corporate Excise Tax 
• Partnerships 
• MA Tax Requirements and Registration for Limited Liability Companies 

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Resources

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• Register Your Business with MassTaxConnect 
• Apply for an Employee Identification Number (EIN) 
• DOR Tax Guides 
• DOR Legal Library 
• Request a Certificate of Good Standing 
• Massachusetts Business Tax Credits 
• Secretary of the Commonwealth's Corporation's Division 
• Submit annual certification of entity tax status with DOR