(a) Each licensed establishment shall adopt and enforce all measures necessary for carrying out the purposes of these regulations as the Department may prescribe.

(b) For the purpose of any examination or inspection necessary to enforce any of the provisions of these regulations, Department employees shall have right of access at all times, by day or night, whether the establishment is operating or not, to every part of any official establishment under their jurisdiction.

(c) No person shall resist, intimidate, delay, obstruct, hamper, abuse, or interfere with any Department employee in the discharge, or attempt to discharge any duty of his office, nor shall any person attempt by means of any bribe, threat, or violence to deter or prevent any Department employee from performing his duty.