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W-9 and 1099 forms

By James Grokman, CEO, TapeAndFloat · Updated 2026-10-28

A W-9 is the IRS form a business uses to give its taxpayer ID to whoever pays it. A 1099 (for contractors, usually the 1099-NEC) is the form a payer uses to report what it paid a non-employee. As a sub, you usually fill out a W-9 for each GC, and you may need W-9s from anyone you pay.

Not tax advice. This is a general explanation for contractors across the U.S. Tax forms, rules and filing requirements can change and can depend on your situation. Check with a tax professional or the IRS before you file.

Why it matters on a drywall job

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¿Prefiere español? Formularios W-9 y 1099.