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ST-9 Sales and Use Tax Return - mass 2026
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- Click ‘Get Form’ to open the ST-9 Sales and Use Tax Return in the editor.
- Begin by entering your Account ID number at the top of the form. This is essential for identifying your tax account.
- Fill in your business name, address, city/town, state, zip code, phone number, and email address in the designated fields.
- In section 1, input your gross sales. Then proceed to line 2 to report any sales for resale or exempt sales.
- Continue with lines 3 and 4 to declare exempt sales of materials and machinery respectively. Add these amounts on line 5 for total nontaxable sales.
- Calculate total taxable sales by subtracting line 5 from line 1 on line 6. Ensure this amount is not less than zero.
- On line 7, compute total sales tax by multiplying line 6 by .0625. For use tax purchases, enter the amount on line 8 and calculate total use tax on line 9.
- Complete lines 10 through 14 as instructed, ensuring you check if this is an amended or final return before signing and dating the form.
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Related links
The Form ST-9 must be filed online with MassTaxConnect. This page only provides line by line return instructions and related resources.
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Sales and use taxes collected are reported together using the Form ST-9 series of returns. The filing and payment schedule for such vendors is provided in 830