A person commits an offence who on any day is found in any part of any licensed premises, other than club premises, that is used principally or exclusively for the sale, supply, or consumption of alcohol, at any time that—
is not a time when a special licence applies to the premises; and
is not between 6 am and the time when the next period of permitted trading hours for the premises begins; and
more than 30 minutes after the premises are required to close for the sale of alcohol; or
a time when the premises are required to be closed for the sale of alcohol.