This car purchase agreement template is a standard agreement made completely customizable for your individual needs. A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services.This Master Service Agreement ("Agreement") is entered into as of the date last executed above ("Effective Date") by. A vehicle sales agreement is a lawful arrangement summarizing the terms and conditions of a vehicle sale between a customer and a seller. This MASTER LEASE AGREEMENT (this "Agreement" or this "Lease") dated as of October 9,. 2. Odometer Declaration. The Base Purchase Price, plus the TimeValue. Provide a detailed description of the goods and services the seller is providing. No inducement of profit and no instruction from clients ever can justify departure from this ideal.