Vendor Information and Application​​ Free viewers are required for some of the attached documents. Sanitary Facility Contract: A signed and dated copy of the vendor contract.This document is only required if outdoor sanitary facilities will be provided. 1. All participants must sign the waiver of liability below. For additional information on hosting an event, please read our Guidelines. Submit an interest form to be a Celebrate Fairfax food vendor as a food truck, food booth, or beverage provider at community events. In this short course, you will learn best practices for managing the vendor relationship from initiation to close. The information bullets below highlights several core requirements that a prospective vendor must meet when completing the FCPS checklist questionnaires. Join the Supplier Network. I understand that I am agreeing to operate my booth as a seller for the entire duration of the Fairfax Craft Fair.