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J
jmwilliamson51
April 7, 2025
Question

how do I select a principal business code on schedule c when i don't know what it is?

  • April 7, 2025
  • 1 reply
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where do I find principal busienss codes?

    1 reply

    M
    MinhT1
    April 7, 2025

    The principal business or professional activity code is a six digit number that represents the field of work you are in. This code is entered on your Schedule C. The complete list of codes can be found on pages 19 to 21 of this IRS document.

     

    This code is for statistical purposes only and does not affect your tax. If you do not find a code corresponding to your activity, you can enter 999999.

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