1.1. Sale of Property. Confirmation Agreement substantially in the form attached as Appendix 5.17 (the "WSPP.Confirmation Agreement"). An Asset Purchase Agreement (APA) is a legally binding contract that outlines the terms and conditions of a business sale or acquisition. Buying or selling company assets? Use this Asset Purchase Agreement to finalize the terms of the transaction. An asset purchase agreement is a written legal instrument that formalizes the purchase of a business or significant business asset.