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 their 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.