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2025›Instructions for Schedule C (Form 1040)

Specific Instructions

Instruction 1040 (Schedule C) — Instructions for Schedule C (Form 1040), Profit or Loss From Business · 2026-10-03 edition · updated 2026-10-04 · United States

Filers of Form 1041. Do not complete the block labeled “Social security number (SSN).” Instead, enter the EIN issued to the estate or trust on line D.

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▸Contents — Instruction 1040 (Schedule C) — Instructions for Schedule C (Form 1040), Profit or Loss From Business
Instruction 1040 (Schedule C) — Instructions for Schedule C (Form 1040), Profit or Loss From Business

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