(1) The possession, distribution or dispensing of legend drug samples by a pharmacy is hereby prohibited.
(2) This shall not apply to any pharmacy of a licensed hospital or health care entity which receives and distributes drug samples at the request of an authorized practitioner pursuant to RCW 69.45.050.
(3) A health care entity means any organization or business entity that provides diagnostic, medical, surgical, or dental treatment and/or rehabilitative care, but does not include any wholesale distributor or retail pharmacy licensed under state law.