Bidder must be registered with the Washington State Department of Enterprise Services as a statewide vendor. To fill out this agreement, first provide the date and the names of the Seller and Buyer.A Washington State Operating Agreement creates the policies and procedures for your LLC. Our free, attorney-drafted templates can get you started. This section explains the University contracting process and helps departments in the development, drafting, and processing of contracts. How do I fill this out? Filling out this lease agreement is straightforward. The successful bidder shall complete and file State of Washington, Department of Labor And Industries, Statement of. The general rule is that contracts do not need to be in writing. The exception would be the contracts falling under the statute of frauds.