principal business code
1994 Form 1040 (Schedule C)
Principal business or profession, including product or service (see page C-1). B Enter principal business code. (see page C-6) . D Employer ID number (EIN)
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Schedule C Codes
Schedule C Codes, also known as Principal Business Codes, are numerical identifiers used on IRS Form 1040, Schedule C Profit or Loss from Business (Sole
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2024 Instructions for Schedule C
Enter on line B the six-digit code from the Principal Business or Professional. Activity Codes chart at the end of these instructions. For nonstore retailers,
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