(1)  A term of imprisonment to which an offender is sentenced under section 46 or 47 is to be calculated at the rate of one day of imprisonment for each prescribed unit or part prescribed unit of the monetary penalty outstanding.

(2)  Subject to subsection (3) , the maximum term of imprisonment to which a person may be sentenced under section 46 or 47 is 12 months.

(3)  The maximum term of imprisonment to which a person convicted of an offence under the Living Marine Resources Management Act 1995 in respect of which a special penalty under section 267 of that Act has been imposed and remains outstanding, is 12 months for a first offence and 2 years for a subsequent offence.