The provisions of this chapter, restricting the possession and control of regulated drugs, shall not apply to common carriers or to warehousemen while engaged solely in lawfully transporting or storing such drugs while in their original containers, nor to any employee of the same acting within the scope of his or her employment, nor to public officers or their employees in the performance of their official duties requiring possession or control of regulated drugs, nor to temporary incidental possession by employees or agents of persons lawfully entitled to possession, including a medical or dental assistant, nurse, intern, resident, and a member of a patient's family dispensing or administering regulated drugs under a licensed physician's or dentist's orders, nor by authorized persons whose possession is for the purpose of aiding public officers in performing their official duties. (Added 1967, No. 343 (Adj. Sess.), § 3, eff. March 23, 1968.)