Question: what documents do you need to file business taxes?
Answer: Form 1040 or 1040-SR Schedule C, Profit or Loss From Business (Sole Proprietorship) Form 1040 or 1040-SR Schedule F, Profit or Loss From Farming. Form 1065, U.S. Return of Partnership Income. Form 1120, U.S. Corporation Income Tax Return. Form 1120-S, U.S. Income Tax Return for an S Corporation.