The Standard Agreement for the Sale of Vacant Land (Form ASVL) is the contract for the sale of unimproved real estate containing commonly used clauses. Find useful forms for property assessments, real estate property and deeds, Military Discharge (DD214) requests, and more.A Pennsylvania residential purchase agreement establishes a legal arrangement between a buyer and a seller in a real estate transaction. If Purchaser requests, the Borough shall include in the. Please fill out ALL fields on the Bidder Registration form. This is going to be how to fill out the agreement of sale for pennsylvania. 2.1. Conveyance of Property.