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AhaBulb: Stuff Everyone Should Know · ahabulb.com/biz-schedule-c-sole-prop

Which IRS form does a sole proprietor use to report business profit or loss?

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  1. Form W-2
  2. Schedule C (Form 1040)
  3. Form 1120

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References

  1. IRS: About Schedule C (Form 1040) www.irs.gov/forms-pubs/about-schedule-c-form-1040 Checked 2026-10-11.

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