APPENDIX 15.1 -- LAND EXCHANGE AGREEMENT. Get a comprehensive understanding of Pennsylvania real estate purchase and sale agreements with our indepth overview and free template.A property exchange agreement is a contract between two parties in which each party agrees to exchange specific assets. How do I complete a 1031 Exchange? To accomplish a full tax deferral on the sale of rental property you must follow the IRS Section 1031 Guidelines. View the forms library. Start your 1031 Reverse Exchange here. Please provide us with as much information as possible. Here is some sample text that you may use or adapt for your sale and purchase agreements. When Selling Relinquished Property