Tex. Bus. & Com. Code § 51.007 – Maintenance of Records

(a) A seller shall maintain a complete set of books, records, and accounts of business opportunity sales made by the seller.
(b) A document relating to a business opportunity sold or leased shall be maintained until the fourth anniversary of the date of the business opportunity contract.
Acts 2007, 80th Leg., R.S., Ch. 885 (H.B. 2278), Sec. 2.01, eff. April 1, 2009.