Document template
Every general contractor, property manager and insurance carrier that pays you needs a W-9 on file before they cut the first check. Keeping a current one ready removes the most common reason a first payment sits in accounts payable.
Subcontractors and trade contractors invoicing GCs, builders, property managers and restoration carriers.
Requirements around this document change at the state line. Pick your state for the rules that apply to your license.
Requirements vary by jurisdiction. Always confirm final submittal requirements with the authority having jurisdiction before filing.