The updated bidder compliance form is intended to call bidders' attention to and obtain acknowledgement of key components of the project. This page provides a general overview of the public works bidding and award procedures for local governments in Washington State.The Bidder's Offer Letter is based on the Bid Documents as issued and assumes no material alteration of the terms of the Bid Documents. A proposal acceptance letter is a formal written communication one organization sends another to confirm interest in contracting services. By submitting a bid in response to this request, bidder accepts all terms and conditions set forth in the City's. Filling Out City Bid Forms. 1. Read the Contract or Terms of Agreement. Be sure you agree with the requirements and restrictions.