The Contract includes standard terms and conditions for a service contract with the County of Los Angeles. These terms and conditions are subject to change.A business purchase agreement is a legal contract specifying terms for buying or selling a business, including conditions and obligations. Need to fill out the AB63 Alternative Form? If you believe you are not subject to this business tax, complete and return the attached AB63 Alternative Form. The County of Los Angeles has adopted Board policies that are applicable to service contracts. View Board Policy Manual A subcontractor agreement is between subcontractors and contractors which states that the subcontractor will complete work on behalf of the contractor. To buy out a business partner, take these steps: 1) Determine what you're buying, e.g. , customers, inventor, customers, intellectual property, etc.