It shall be unlaw­ful for a licensee to refuse to grant admit­tance to any premis­es for which a license has been issued at any time upon the ver­bal request of the Sher­iff, any Sheriff’s Deputy, or the Liquor Con­trol Com­mis­sion­er for the pur­pose of mak­ing an inspec­tion of such premis­es or any part thereof.