Attention ST-9, ST-MAB-4 and STS Filers! DOR is no longer mailing preaddressed returns. Please use MassTaxConnect to file your returns or download the return from the options below
Certain trustee taxpayers are required to file their returns and make their payments electronically. MassTaxConnect is available 24-hours-a-day, 7-days-a-week and allows you to file returns, make payments, view payment histories and maintain accounts securely, online. For more information, or to register visit MassTaxConnect.
Note: The ST-9 series of sales and use tax returns have been consolidated into a new ST-9, Sales and Use Tax Return. Also, the STS series of sales and use tax on services returns have been consolidated into a new STS, Sales and Use Tax on Services Return. The annual/quarterly/monthly filing and payment requirements for these returns have NOT changed however.