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 Sales Agreement (the "Agreement") is entered into between the buyer listed on the applicable Purchase Order ("Buyer") and Calimetrix, LLC.Start a state-specific lease for the rental of commercial property. The monthly payment factors under a Schedule will be fixed for the term of such Schedule. Buyers must present an executed sales agreement before being entered into the program reservation system. How do I write a Sales Agreement? Section 2.01 Closing Transactions. Buyer's Initials: ______. 2. In accordance with the NASPO ValuePoint Master Agreement Uniform Term and. Conditions, Paragraph 5, Contract Changes, 5.1 Amendments, the above referenced.