Get Answers Support Tax Filings & Payments Other Forms Form 7004 (Extension) When is the due date to file Form 7004? You must file Form 7004 on or before the original due date of your business tax return, based on your entity’s accounting period. The table below shows the deadlines for filing Form 7004 for various business tax returns: Deadline Applicable Forms Business tax returns are due on the 15th day of the 3rd month after the end of the tax period. Form 1120-S Form 1065 Form 1042 Form 1065-B Form 3520-A Form 8612 Form 8613 Form 8804 Form 1066 Business tax returns are due on the 15th day of the 4th month after the end of the tax period. Form 1120 Form 1120-F Form 1120-FSC Form 1120-H Form 1120-L Form 1120-ND Form 1120-ND (Section 4951 taxes) Form 1120-PC Form 1120-POL Form 1120-REIT Form 1120-RIC Form 1120-SF Form 1041 (estate other than a bankruptcy estate) Form 1041 (bankruptcy estate only) Form 706-GS (D) Form 706-GS (T) Form 1041-N Form 1041-QFT Form 1041 (Trust) Form 1066 Form 8831 Form 8928 Was this helpful? Yes No Related Questions Can I download a copy of the transmitted form? Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (704) 684-4751 support@taxbandits.com Sign Up for a FREE TaxBandits Account! The Smart CPA Choice Register Now Already have an account? Sign in