Schedule C 1040 Form 2025. Each year, sole proprietors have the chore of preparing and filing schedule c with their 1040 to show the irs. Schedule c is an irs tax form that reports profit or loss (income and expenses) from a business.
Report your income and expenses from your sole proprietorship on schedule c (form 1040), profit or loss from business (sole proprietorship).; Request for taxpayer identification number (tin) and certification.