W-9 (Vendor Authorization Form)

A completed copy of the “State of Arizona Substitute W-9 & Vendor Authorization Form” will need to be provided to the Board at the time you sign your new charter contract. You must use the form found on the Arizona Department of Administration’s website. Once on this page, scroll down to the “ACH and Vendor Forms” section and select “GAO-W-9 (Vendor Authorization Form)”.