Texas Tax Code - TAX § 160.042. Required Affidavits

(a) A person obligated to pay a tax imposed by this chapter on a transaction shall file the affidavit as provided by this section with the department, agent of the department, or tax assessor-collector on payment of a tax imposed by this chapter.

(b) If a taxable boat or motor is sold by a person at a retail sale, the seller and purchaser shall make a joint affidavit stating the value in dollars of the total consideration for the boat or motor at the time of sale.

(c) If the ownership of a taxable boat or motor is transferred as a result of a gift, the donor shall make an affidavit stating the nature of the transaction.

(d) If the ownership of a taxable boat or motor is transferred as a result of an even exchange, the parties shall make a joint affidavit stating the nature of the transaction.

(e) The department, agent of the department, or the tax assessor-collector shall examine each affidavit for the purpose of determining the truth and accuracy of the information it contains.  If the department, agent of the department, the tax assessor-collector, or the comptroller has reason to question the truth of the information in an affidavit, or if any material fact fails to meet the rules adopted by the comptroller, the department, agent of the department, the tax assessor-collector, or the comptroller may require any party to the affidavit to furnish substantiation of information in the affidavit before accepting an application for a Texas certificate of number or certificate of title.

(f) The department, agent of the department, and the tax assessor-collector shall keep a copy of each affidavit and any substantiating materials until it is called for by the comptroller for auditing.