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Official form guide
Form 5713‑SC (Schedule C) is an IRS attachment used by certain corporations to report specific items of income, deductions, and credits. It is filed together with the corporation’s main tax return when those items apply.
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Form 5713‑SC (Schedule C) is an IRS attachment used by certain corporations to report specific items of income, deductions, and credits. It is filed together with the corporation’s main tax return when those items apply.
Plain English
Think of Schedule C as a supplemental sheet that tells the IRS about special income or deductions a corporation has that don’t fit on the main return. You only need it if the corporation earned the types of income listed on the form.
Submission Date
AI co-pilot
Form selector
Corporation has only ordinary income
Simpler filing
✓ Confirm no special items exist
Partnership filing
Different entity type
✓ Use partnership forms
Non‑profit organization
Different tax code
✓ Do not file Schedule C
Schedule C must be filed by the due date of the corporation’s tax return, including any extensions. If the corporation files for an extension, Schedule C follows the extended deadline.
Checklist
Line 1 – Special income
Financial statement – Other income · Income statement
Line 3 – Deduction amount
Supporting expense receipts · Expense ledger
Credit section
Credit documentation (e.g., energy credit) · Credit worksheets
Adjusted basis
Prior year tax return · Balance sheet
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->The latest edition of Form 5713‑SC is the 2024 version, released in January 2024. Verify the edition date before use.
Quick Facts
Downloads
Confusion: Whether a particular income belongs on Schedule C
The line descriptions can be vague
→ Review the instructions for each line item
Confusion: Double‑reporting ordinary income
Ordinary income belongs on the main return
→ Ensure only special items are on Schedule C
Confusion: Need for a separate signature
Schedule C has no signature box
→ Confirm the corporate return is signed
Confusion: Filing paper vs. electronic
Both are accepted but address differs
→ Use the address listed in the main return’s instructions
Confusion: Which credit forms to attach
Credits may require separate forms
→ Attach the specific credit form referenced in Schedule C
Workflow map
Before
Current
After
Often used with
⚠ If something goes wrong
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