Prevention of drunkenness or disorder on licensed premises

(1) No licence holder shall permit drunkenness, drug dealing and trafficking, the use of illegal drugs, or any violent, quarrelsome or riotous conduct to take place on his premises, or sell any intoxicating liquor to a drunken person. (2) Any licence holder who acts in contravention of this section commits an offence and is liable in respect of each offence. (3) Every conviction for an offence under this section shall be endorsed on the licence of the person convicted, unless the magistrate otherwise directs. (4) If the licence holder is charged with permitting drunkenness on his premises in contravention of this section, and it is proved that any person was drunk on his premises, it shall lie on the licence holder to prove that he and the persons employed by him took all reasonable steps to prevent drunkenness on the premises.