New Hampshire w-9 request for taxpayer identification number

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.

What goes on the New Hampshire version

  • Legal business name and any DBA line
  • Federal tax classification and exempt payee code where applicable
  • EIN or SSN and business mailing address
  • Signature and date certification block

New Hampshire jobs get the national baseline packet. Every field a building department needs is covered; state-specific attachments are being added market by market.

Mistakes that get it kicked back

  • Using the DBA on the legal-name line, which triggers a TIN mismatch notice
  • Checking sole proprietor when the entity is actually an LLC taxed as an S-corp
  • Sending an unsigned copy, which payers will reject

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One page: what a New Hampshire building department checks on this document, and the attachments that most often hold up issuance.

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General guidance for New Hampshire contractors, not legal advice. Confirm requirements with the authority having jurisdiction before filing.