Any action relating to this Contract shall be instituted and prosecuted in the courts of Contra Costa County,. State of California.Name of Project: Contract No: Contractor: Effective Date. If you're planning a buyout, getting a buyout agreement in place is essential. But how do they work exactly? Download our free Partnership Buyout Agreement template for your business needs. Fictitious Business Name Abandonment and Withdrawal of Partnership Form(Opens in a new window). Contact Us. Registrar of Voters. 925-335-7800.