Section 21.171 - Permit Expiration(a) A permit is valid for one year.(b) A permit automatically expires on the date that the license under which the permit was issued expires or is revoked by the department under § 21.158 of this subchapter (relating to License Revocation).43 Tex. Admin. Code § 21.171
The provisions of this §21.171 adopted to be effective July 1, 2011, 36 TexReg 2418; Amended by Texas Register, Volume 43, Number 10, March 9, 2018, TexReg 1456, eff. 3/14/2018