Event Kings is a full service event planing and production compay providing the highest quality service for all your event needs. Kindly take a few minutes to complete the Vendor.This article will help you construct your event contract agreement efficiently. The vendor must download the Vendor Agreement from the attachment tab, fill in the requested information and upload the completed agreement. Before a new item is sent to RK, the vendor must complete the RK item data set up sheet. 2. Changes from Vendor a) Vendor Product Changes. Please complete all fields of this application. DATE: This is a rental agreement between: Name of Business. and. Vendor Agreements need to be filled out completely, signed, and returned with payment to Christ the King School to guarantee booth space. Once you have filled out this form and been selected as a vendor, you will be sent an invoice.