Vendor News & Notices

Welcome to the Wyoming State Auditor's Office. This page contains information and resources designed to assist Vendors of the State of Wyoming.


Please note, to register as a vendor in the State of Wyoming financial system you will need the following:

  • Complete the most current version of the IRS Form W-9.
  • Attach original banking documentation (if requesting payment by direct deposit), for example:
    • An unused, voided check.
    • An original letter from your financial institution verifying your account/routing information.
  • This completed documentation should be sent to the fiscal contact at the State Agency paying you for goods/services.



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