The process to establish your payment plan request in our system will take approximately 60 days after the tax filing deadline. In order to request a monthly installment plan, taxpayers must comply with the following: While on a payment plan, a taxpayer cannot incur any new liabilities.A Master Service Agreement (MSA) is a document that outlines the terms and conditions upon which work will be performed between two parties. Get up and running quickly with a master service agreement template Arizona. This downloadable template will get you selling in no time. When companies plan ongoing partnerships or repeated transactions, MSAs establish the ground rules that keep both parties aligned and protected. An installment sale agreement is what a seller will put into place if they permit a buyer to pay for a property in increments or installments. Use our free payment plan agreement form to spell out all the terms and conditions of a loan if you need to establish a payment schedule with someone. Terms of Payment: The MSA should state the estimated cost of a project along with the payment schedule. Drafting a Master Service Agreement (MSA) sales contract in Arizona requires careful consideration of the state's specific legal environment.