Tex. Occupations Code § 901.257: OATH AND CERTIFICATE FEE.

Before the board issues a certificate to a person, the person must:

(1) take an oath, administered by a board member or by another person authorized to administer oaths, to support:

(A) the constitution and laws of this state and the United States; and

(B) the board's rules; and

(2) pay a fee for the certificate in an amount set by board rule not to exceed $50.

Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.