(a) a production notice in relation to any premises has been duly served on the licensee in respect of such premises, and
(b) the quantity of bacon produced in such premises during the production period to which such production notice relates exceeds by more than ten per cent, the production sub-quota for such premises in respect of such period,
such licensee shall be guilty of an offence under this section and shall be liable on summary conviction thereof to a fine calculated at the rate of ten shillings for every hundredweight which the amount of bacon produced at such premises during such production period exceeds the production sub-quota for such premises in respect of such period.