Texas Tax Code - TAX § 151.152. Resale Certificate:  Form

(1) be signed by the purchaser or contain an electronic form of the purchaser's signature authorized by the comptroller and contain the purchaser's name and address;

(2) state the purchaser's tax permit number or that the purchaser's application for a tax permit is pending before the comptroller;  and

(3) contain a description of the tangible personal property sold, leased, or rented by the purchaser in the regular course of business or transferred as an integral part of a taxable service performed in the regular course of business.

(1) the purchaser's United Mexican States federal identification number;  and

(2) any other information required by the comptroller.