An IRS tax extension will give a business 5 or 6 extra months (depending on the type of business entity) to file its Federal income tax return. A business tax extension grants 5 more months to file: Form 1041, Form 1065, and Form 8804. A business tax extension grants 6 more months to file: Form 706-GS(D), Form 706-GS(T), Form 1041 (bankruptcy estate only), Form 1041-N, Form 1041-QFT, Form 1042, Form 1065-B, Form 1066, Form 1120, Form 1120-C, 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 1120S, Form 1120-SF, Form 3520-A, Form 8612, Form 8613, Form 8725, Form 8831, Form 8876, Form 8924, and Form 8928. Our easy-to-use online application makes it easy for you to select the correct business entity type. If you are unsure which business tax return is required for your business, TaxExtension.com will help you figure it out.