Sales and Use Taxes. Go to Sales and Use Taxes.Payment", based on the payment terms specified in the Lease Payment Schedule. Get up and running quickly with a master service agreement template Michigan. This downloadable template will get you selling in no time. Use this tool to prepare forms to ask the court for an installment payment plan. An installment payment plan will let you pay off a judgment over time. A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services. A payment plan agreement is a written legal document that allows one party to make smaller payments over time to payoff a larger debt. (1) This document is a real estate purchase and sale agreement between a buyer and seller for a property located in Michigan.