"Customs broker" means a person in this state who is authorized to act as a broker for any of the following:
(a) A person in this state who is licensed to sell, distribute, or otherwise possess any controlled substance.
(b) A person in any other state who ships any controlled substance into this state.
(c) A person in this state or any other state who ships or transfers any controlled substance through this state.
(Added by Stats. 1972, Ch. 1407, Sec. 3.)