(1) Except where elsewhere specially provided by this Act, a person who contravenes a provision of this Act is guilty of an offence against this Act.(2) Except where otherwise specially provided by this Act, a person who is guilty of an offence against this Act is liable on summary conviction to (a) a penalty not exceeding 20 penalty units for a first offence; and(b) a penalty not exceeding 40 penalty units, or to imprisonment for a term not exceeding 3 months, for a second or subsequent offence.(3) The foregoing provisions of this section do not apply to contraventions of the regulations under this Act and, except as otherwise provided in this Act any regulations made under this Act may provide that it is an offence, punishable on summary conviction, for a person to contravene any of those regulations and may provide in respect of any such offence a penalty not exceeding 20 penalty units for an individual or 100 penalty units for a body corporate.