Where do I get tax information regarding my business?

The Massachusetts Department of Revenue (DOR) can answer all of your questions regarding collecting sales tax or other tax questions you may have. The Taxpayer Assistance Bureau is open from 8:45 am to 5 pm, Monday through Friday. The toll free number is 800-392-6089 or 617-887-6367.

You obtain an Federal Employer Identification Number (FID) number from the Internal Revenue Service (IRS) at 800-829-1040 or 617-523-1040.

Show All Answers

1. Who must file?
2. Where do I get the application, and how do I file?
3. Who must sign on behalf of the business?
4. How long is a business certificate valid?
5. Does filing a business certificate protect me from others using the same name?
6. What is the fee for filing/renewing a business certificate?
7. Must I display the certificate?
8. What is the penalty for failure to file a business certificate?
9. Where do I get tax information regarding my business?