The Agreement of Sale for Commercial Real Estate should be used to outline the terms of the agreement when selling or purchasing a commercial property. Standard Agreement for the Sale of Real Estate.This template ensures that all essential elements are included, such as the purchase price, property details, financing terms, and closing conditions. This form recommended and approved for, but not restricted to use by, the members of the Pennsylvania Association of Realtors® (PAR). PARTIES. BUYER(S):. A unique application of customizable commercial real estate contract templates, including Purchase and Sale, Lease, and Listing agreements.