Complete the form below to join our Vendor Contact List and be the first to receive invitations to vend at events that align with your business. Note: All vendors must fill out their own temporary license agreement and report applicable tax to the Utah State Tax Commission after the event. ​.Vendors interested in participating in events should complete the City's VENDOR APPLICATION. To register as a vendor with Salt Lake County visit the Utah Public Procurement Place (U3P) website. Essential tips to understand before signing wedding vendor contracts; ensure every detail is covered for a stressfree wedding day! Vendors are required to obtain a temporary business license from Draper City. All vendors must provide Festival Management with a Utah state Business Tax License Number. Salt Lake Community College, State Purchasing, and other public entities all use U3P. SLCC utilizes an online bidding system. Salt Lake City, Utah 84114-1013.