(1) Proceedings for a
summary offence against this Act must be commenced—
(a) in
the case of an expiable offence—within the time limits prescribed for
expiable offences by the Summary Procedure Act 1921 ;
(b) in
any other case—within two years of the date on which the offence is
alleged to have been committed or, with the authorisation of the Minister, at
a later time within five years of that date.
(2) In any
proceedings, an apparently genuine document purporting to be a certificate of
the Minister certifying authorisation of proceedings for an offence against
this Act will be accepted, in the absence of proof to the contrary, as proof
of the authorisation.