IRS regulations require that any vendor conducting business with the City of Fullerton must submit a completed W-9 form (Request for Taxpayer Identification Number and Certification).
Vendors must have a W-9 on file with the City before payment will be made.
Submit a signed W-9 form to one of the following:
- Email: AP@cityoffullerton.com
- Fax: 714-738-3168, Attn: Accounts Payable
- City of Fullerton
303 West Commonwealth Ave
Fullerton, CA 92832
Attn: Accounts Payable
Download W-9 Form