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Information about Schedule C (Form 1040), Profit or Loss from Business, used to report income or loss from a business operated or profession practiced as a sole proprietor; includes recent updates, related forms, and instructions on how to file.

Schedule C (Form 1040), Profit or Loss from Business (Sole Proprietorship), is used to report income or loss from a business operated or a profession practiced as a sole proprietor.

Schedule C (Form 1040), Profit or Loss from Business (Sole Proprietorship), is used to report income or loss from a business operated or a profession practiced as a sole proprietor.

Three changes have been made to the 2023 Instructions for Schedule C (Form 1040). These changes pertain to the standard mileage multiplier, Form 1040-SS filers, and references to Publication 535, which has been retired.

We are supplementing the information in the 2023 Instructions for Schedule C (Form 1040) for how Form 1040-SS filers should report their expenses for the business use of the home in 2023.

Form 1040 (Schedule C) (sp), Profit or Loss From Business (Sole Proprietorship) (Spanish Version), is used to report income or loss from a business operated or a profession practiced as a sole proprietor.

Form 1040 (Schedule C) (sp), Profit or Loss From Business (Sole Proprietorship) (Spanish Version), is used to report income or loss from a business operated or a profession practiced as a sole proprietor.

Form 11652, Questionnaire -- Form 1040 Schedule C (Profit or Loss From Business), lists the types of records you need to send us to prove your Schedule C income and expenses. The law requires you to keep adequate records to complete your Schedule C.