A waiver issued under section § 20.437 of this title (relating to Waiver of Vehicles to Meet Required Fleet Percentages) shall be kept on file by the comptroller for two years from date of issuance. A valid, current waiver on file for a state agency shall be deemed sufficient basis for a waiver of the purchasing restrictions for state agencies which are set forth in § 20.235 of this title (relating to Purchase of Motor Vehicles).
34 Tex. Admin. Code § 20.438