Attachment C1200: Bid Submittal Forms. I am writing to express my interest in the data entry project ( project name).Each bidder is required to acknowledge receipt of an addendum issued for a specific project. This page is provided for the purpose of acknowledging an addendum. The Purchasing Department will use the backup provided in the specifications to develop the materials and competitively solicit a bid or proposal. Each bidder shall complete, execute and deliver (as applicable) with its bid, as part of the Bid Form included with the Bid Documents, the following: (a). Attached please find an addendum on the above captioned project.