A Texas Business Purchase Agreement will help transfer business ownership and outline the terms of the sale. Before an offering or sale of a business opportunity in.Texas, the principal seller must register the business opportunity with the secretary of state. Tex. Seller owns a shopping center ("Center") known as The Parke, located in the City of San Antonio, County of Bexar, State of Texas. Our San Antonio contract lawyer helps businesses with vendor contracts, employment contracts, and partnership agreements. Please sign in the Signature section. Return the completed, abbreviated rendition to Bexar Appraisal District.