Here, you'll find details about contracting opportunities, vendor qualifications, proposals and how to bid on projects. Build contract is a legal document and project delivery system often used in construction.Click here to learn how they work and their benefits. Apply to Contract Administrator, Senior Representative, Health Coordinator and more! For more contract details please visit APP, Click on "State Contracts", and specify your search. What is a Designer Agreement? A designer agreement is a legal contract between two parties, usually a company, design firm, or individual designer. Written agreement clarifies expectations, prevents common misunderstandings, and helps you avoid potential legal problems. Entire Agreement (Parol evidence): The contract, as specified above, represents the final written expression of agreement. This Master Contract shall govern all contracts and other agreements between.