All invoices are to be delivered to the address indicated in the purchase order. A master service agreement or MSA is the heart of a business relationship.This guide outlines the purpose of MSAs and includes a checklist and a free template. Sample letter of intent to Purchase or Sale a physician practice, just copy and paste into Word. If your company buys goods from suppliers or vendors with any regularity, you may be familiar with Master Agreements for the sale of goods. Within sixty (60) days following the Closing, the Purchaser and the Seller shall complete a final closing statement where the Purchase Price will be allocated. These Mammotome Master Sales Terms and Conditions ("Terms") apply to the quotation, order received from Customer, sale or use of Mammotome. A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services. An MSA outlines all possible responsibilities and obligations of both parties and serves as a foundation for all future agreements. Here's how to write one.