Upon receipt of an authorized Purchase Order, Supplier shall commence performance of the Services in accordance with the terms therein. Contractor obligations or expenditures that precede the start date of the Master Contract shall not be reimbursed. 3.This document integrates and replaces the documents formerly referred to as the Master Contract and the Terms and Conditions of Purchase Orders. 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 MATERIALS PROCUREMENT AGREEMENT is made this 22th day of July,. This Primer provides a general overview of City contracting processes and solicitation methods. Third parties and used in the supply of Services. 28.2. Title to Intellectual Property a). Queens Borough Public Library. Graduate education at Queens thrives in the College's atmosphere of intellectual exchange.