Purchaser agrees to use diligent efforts to obtain said approval and shall apply for the mortgage loan within business days after the Seller has accepted this. Table of Contents. 1.A services agreement is used to document a transaction where the seller provides a service to the buyer. 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. Buyer agrees to buy and Seller agrees to sell that certain parcel of real property situate in the Village of. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price.