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Tax Record-Keeping for Self-Employed Taxpayers
In order to properly calculate business income, the sole proprietor must complete and attach Schedule C. Stated simply, Schedule C accounts for all income and
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About Schedule C (Form 1040), Profit or Loss
Use Schedule C (Form 1040) to report income or loss from a business you operated or a profession you practiced as a sole proprietor.
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1994 Form 1040 (Schedule C)
Complete this part ONLY if you are claiming car or truck expenses on line 10 and are not required to file Form 4562 for this business. See the instructions for
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