An Asset Purchase Agreement is an agreement between a buyer and a seller of a business as to the terms and conditions of the sale of the business. The Harris County Clerk's office is happy to help you file documents or locate records, but we cannot answer legal questions.Explore the fundamentals of Business Personal Property Tax, which assets apply, what is exempt, and more. Instructions: This form is to be used to present facts or evidence concerning your property to the Harris County Appraisal District or Harris.