A payment plan agreement outlines an installment plan to repay an outstanding balance over a specified time frame. The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as.A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. The Buyer agrees to pay. Purchaser's obligation to make payments of Purchase Price shall not be reduced, diminished, or abated through accident; unforeseen circumstances; failure of. I'm gonna break down all the terms and conditions so you can understand what it means and we're gonna fill that out so you can have a real-life example of it. After checking the agreement box scroll to the bottom of the page and click the submit button to proceed to pay your taxes online. General Information.