By working with a sole source provider, you may avoid the requirement for getting 3 competitive bids because there is only one source for acquiring what you want. We are the creator and copyright / trademark owner of all the intellectual properties found on this web site, and in our PBIS Roll Out Kits. Print the Sole Source Affidavit below to streamline your purchasing procedures. E-mail info@mascotjunction.com to request a vendor set-up packet which includes our W9.