33—Commencement of proceedings
Proceedings under this Division must be commenced—
(a) if
the proceedings relate to an offence under this Act which the respondent has
expiated or of which the respondent has been convicted or found
guilty—within 6 months after the date on which the respondent so
expiated, or was convicted or found guilty of, the offence (as the case
requires); or
(b) in
any other case—within 5 years after the date of the alleged
contravention of, or failure to comply with, a provision of this Act.