Form 355-7004 Application for Extension of Time to File ... - Mass.Gov-2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by filling out Part 1. Enter the name of your corporation, federal identification number, and address details including street, city/town, state, and zip code.
3. Indicate whether a Massachusetts combined return will be filed by selecting 'Yes' or 'No'. If 'Yes', complete the additional information on the reverse side.
4. Select the applicable return type from the options provided (e.g., Form 355A, 355B).
5. Specify the extension date by entering MM/DD/YY and provide a reason for the extension if applicable.
6. In Part 2, calculate and enter your estimated tax amount and any advance payments made. Subtract line 2 from line 1 to find your balance due.
7. Finally, sign in Part 3. Ensure that an authorized officer or agent signs and dates the application before submission.

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