Name of Project: Contract No: Contractor: Effective Date. The Contra Costa Community College District (District) invites highly experienced firms to submit proposals to provide digital advertising services.The parties stipulate that this contract was entered into in the County of Contra Costa, in the. State of California. Please fill out and print form, and attach supporting documentation. 1 shall be included in the West Contra Costa. Marketing agency agreement indemnity clause. This Amended and Restated Joint Exercise of Powers Agreement ("Agreement") is dated.