Tex. Tax Code § 151.432

(a) A reseller of a ticket or admission document to an amusement service may deduct from taxable sales reported the adjusted value of the ticket or admission document purchased for resale from a non-permitted purchaser of the ticket or admission document if:

(1) the taxes imposed by this chapter were paid by the purchaser and the purchaser does not hold a permit issued under this chapter;

(2) language on the ticket or admission document purchased for resale states that all taxes have been included in the price of the ticket or admission document;

(3) the ticket or admission document for which a deduction is claimed was not purchased tax-free by use of a resale or exemption certificate; and

(4) the ticket or admission document is actually resold.

(b) The reseller's books and records must be kept in accordance with the requirements of Section 151.025 and must:

(1) identify the non-permitted purchaser;

(2) document the face value of any ticket or admission document purchased by a non-permitted purchaser;

(3) document that sales tax was included in a ticket or admission document purchased by a non-permitted purchaser;

(4) document the sale of the ticket or admission document; and

(5) account for any remaining inventory of unsold tickets or admission documents.

(c) The reseller may satisfy Subsection (b)(3) by retaining a reproduction of a ticket or admission document to the amusement service.

(d) In this section, "adjusted value of a ticket or admission document" means the face value of the ticket or admission document, less the included state or local sales or use taxes.