(a) Notwithstanding any other provision of this chapter, this subchapter applies to the purchase or acquisition, from a person described by § 1956.002(1), of a catalytic converter removed from a motor vehicle.
(b) This subchapter does not affect any requirement under Subchapter A-3, including any requirement applicable to the purchase or acquisition of a catalytic converter removed from a motor vehicle from a person not described by § 1956.002(1).