(1)If any person in licensed premises—
(a)behaves while drunk in a riotous or disorderly manner, or
(b)while drunk uses obscene or indecent language to the annoyance of any person,
he shall be guilty of an offence.
(2)A licence-holder or his employee or agent shall be guilty of an offence if he permits any breach of the peace, drunkenness or riotous or disorderly conduct in the premises in respect of which the licence is held.