Schedule C (Form 1040)
E698589
Schedule C (Form 1040) is an IRS tax form used by sole proprietors and self-employed individuals to report income and expenses from their business.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Schedule C | 2 |
| Schedule C (Form 1040) canonical | 2 |
| Schedule C for certain claims | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7846206 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Schedule C (Form 1040) Context triple: [Form 1099-NEC, relatedTo, Schedule C (Form 1040)]
-
A.
Form 1040
Form 1040 is the primary U.S. individual income tax return form used by taxpayers to report their annual income, deductions, and tax liability to the Internal Revenue Service.
-
B.
Form 941
Form 941 is a quarterly IRS tax return that employers use to report wages paid, income tax withheld, and Social Security and Medicare payroll taxes.
-
C.
Form 1040-SR
Form 1040-SR is a simplified U.S. individual income tax return designed specifically for taxpayers aged 65 and older, featuring larger print and a more straightforward layout.
-
D.
Form 940
Form 940 is an annual IRS tax form that employers use to report and pay federal unemployment (FUTA) taxes.
-
E.
I-990
I-990 is a short auxiliary Interstate Highway in the Buffalo, New York metropolitan area, serving as a spur route connecting the region to Interstate 290.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Schedule C (Form 1040) Target entity description: Schedule C (Form 1040) is an IRS tax form used by sole proprietors and self-employed individuals to report income and expenses from their business.
-
A.
Form 1040
Form 1040 is the primary U.S. individual income tax return form used by taxpayers to report their annual income, deductions, and tax liability to the Internal Revenue Service.
-
B.
Form 941
Form 941 is a quarterly IRS tax return that employers use to report wages paid, income tax withheld, and Social Security and Medicare payroll taxes.
-
C.
Form 1040-SR
Form 1040-SR is a simplified U.S. individual income tax return designed specifically for taxpayers aged 65 and older, featuring larger print and a more straightforward layout.
-
D.
Form 940
Form 940 is an annual IRS tax form that employers use to report and pay federal unemployment (FUTA) taxes.
-
E.
I-990
I-990 is a short auxiliary Interstate Highway in the Buffalo, New York metropolitan area, serving as a spur route connecting the region to Interstate 290.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal tax form
ⓘ
income tax schedule ⓘ |
| appliesTo | taxpayers with business income not reported on Form W-2 ⓘ |
| attachedTo |
Form 1040
ⓘ
Form 1040-SR ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| filingFrequency | annually ⓘ |
| hasSection |
Part I Income
ⓘ
Part II Expenses ⓘ Part III Cost of Goods Sold ⓘ Part IV Information on Your Vehicle ⓘ Part V Other Expenses ⓘ |
| issuedBy | Internal Revenue Service ⓘ |
| language | English ⓘ |
| legalBasis | Internal Revenue Code ⓘ |
| notUsedBy |
C corporations
ⓘ
S corporations ⓘ
linked to:
Subchapter S
multi-member LLCs taxed as partnerships ⓘ partnerships ⓘ |
| officialWebsite | https://www.irs.gov/forms-pubs/about-schedule-c-form-1040 ⓘ |
| relatedTo |
Schedule 1 (Form 1040)
ⓘ
Schedule SE (Form 1040) ⓘ |
| reports |
business expenses
ⓘ
business income ⓘ business use of home ⓘ car and truck expenses ⓘ cost of goods sold ⓘ depreciation and Section 179 expense ⓘ home office deduction ⓘ net loss ⓘ net profit ⓘ other business deductions ⓘ profit or loss from business ⓘ |
| requires |
accounting method disclosure
ⓘ
business code ⓘ employer identification number if applicable ⓘ gross receipts or sales amount ⓘ inventory information if applicable ⓘ principal business or profession description ⓘ |
| usedBy |
freelancers
ⓘ
gig workers ⓘ independent contractors ⓘ self-employed individuals ⓘ single-member LLCs taxed as disregarded entities ⓘ sole proprietors ⓘ |
| usedFor |
calculating net earnings from self-employment
ⓘ
determining self-employment tax base ⓘ reporting 1099-NEC nonemployee compensation ⓘ reporting income from a trade or business ⓘ reporting statutory employee income ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Schedule C (Form 1040) Description of subject: Schedule C (Form 1040) is an IRS tax form used by sole proprietors and self-employed individuals to report income and expenses from their business.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Schedule C (Form 1040)
linked to: Schedule C (Form 1040)
linked to: Schedule C (Form 1040)