In addition to the grounds under RCW 18.130.170 and 18.130.180, the commission may take disciplinary action against the certificate of any pharmacy technician or the registration of any pharmacy assistant upon proof that:
(1) His or her certificate or registration was procured through fraud, misrepresentation, or deceit;
(2) He or she has been found guilty of any offense in violation of the laws of this state relating to drugs, poisons, cosmetics, or drug sundries by any court of competent jurisdiction. Nothing herein shall be construed to affect or alter the provisions of RCW 9.96A.020;
(3) He or she has exhibited gross incompetency in the performance of his or her duties;
(4) He or she has willfully or repeatedly violated any of the rules and regulations of the commission or of the department;
(5) He or she has willfully or repeatedly performed duties beyond the scope of his or her certificate or registration in violation of the provisions of this chapter; or
(6) He or she has impersonated a licensed pharmacist.