Parties: the "SELLER," agrees to sell and. , the "BUYER," agrees to buy, the premises described in paragraph 2 on the terms set forth below.The document is an agreement for sale between Ms. Sowmya Lakshmi (Vendor) and Mr. A.C. Hari Prasad (Purchaser). Use this form to change or amend terms of the Purchase and Sale agreement after it has been signed. Purchase and Sale Agreement. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. A Massachusetts purchase agreement is the standard legal form for selling or purchasing a home. It documents the transaction's stipulations. How do I fill this out? The completed form will relay the unique terms and conditions of the sale, including the purchase price and the manner of payment.