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2003 Instructions for Schedule C
To report income from a nonbusiness activity, see the instructions for Form 1040, line 21. 1040, line 60. Also, enter 453(l)(3) and business, you may have
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2004 Instructions For Form 1040 (ALL) P 72 I1040
If the item relates to an activity for which you are required to file Schedule C, C-EZ, E, or F or Form 4835, report the taxable or deductible amount.
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2023 Instructions for Schedule C
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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