This payment agreement template is written as a contract between two businesses. There must be a detailed, written payment schedule in the contract.Construction contracts set out the terms of an upcoming construction project. Access our free template to build a solid foundation. CONTRACT. This Contract is dated Month Day, Year ("effective date"), and between the LOS. ANGELES COUNTY CHILDREN AND FAMILIES FIRST - PROPOSITION 10. Use our free payment plan agreement form to spell out all the terms and conditions of a loan if you need to establish a payment schedule with someone. 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 payment plan agreement outlines an installment plan to repay an outstanding balance over a specified time frame.