This Agreement for Purchase and Sale of Real Property and Escrow. Seller shall sell to Purchaser, and Purchaser shall purchase from Seller, at the price and upon the terms and conditions set forth in this Agreement.1.1. Sale of Property. Template of international contract for the sale of products. By Franck BEAUDOIN, avocat (attorney-at-law registered in France). The Purchase Agreement is adequately detailed to address most issues involved in the purchase and sale of real property. Extensive modification or drafting of. An agreement to sell real estate, or a purchase agreement, is a legally enforceable document that specifies the terms of a real estate transaction. The Grant Deed, executed and acknowledged by. But what if the seller signs the purchase and sale agreement, then decides they want to cancel the deal?