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  • VENDOR APPLICATION

  • General Services Department Support ServicesPurchasingDivision 675 Texas Street, Suite 2500, Fairfield, CA 94533-5801 Phone/Fax (707) 784-6320 / Email: Purchasing@solanocounty.gov

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  • Payment Information/Remittance

    (Required if Different from Above)
  • CSLB Information - Click Here

  • DIR Information - Click Here

  • National Institute of Governmental Purchasing (NIGP) Code (Required). Click on the link below to select the code(s) which best describes the commodities and/or services associated with your business.

  • Click the "NIGP Codes" and select Categories to find the applicable code(s) for your business.

    NIGP Code Search Help 

    NIGP Codes

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  • Click on applicable tax form(s) below to submit with application. All U.S.vendors are required to submit a W-9. Forvendors outside of the state of CA, a Non-Resident form is required by the CA Franchise Tax Board and must besubmitted with the application & W-9. For information regarding Non-Resident forms, please visit: https://www.ftb.ca.gov

    W-9 Required
    for All U.S. Vendors
    CA-587 Complete if CA-590 is not applicable and you DO Not have a physical or permanent place of business in CA
    C-590 Complete if CA-587 is not applicable and you have a physical or permanent place of business in CA and/or are qualified to do business in CA
    Non-Resident Certification Out of CA Vendors complete if neither the CA-587 or CA-590 are applicable
    W-8BEN Individuals Outside of the U.S.
    W-8BEN-E Entities Outside of the U.S.
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