For section 16(3) of the Occupational Health and Safety Act 2004 substitute —
"(3) A person who gives an undertaking under this section must not contravene the undertaking.
Penalty: 500 penalty units for a natural person;
2500 penalty units for a body corporate.
(4) Neither the Authority nor an inspector may bring a proceeding for an offence against this Act or the regulations constituted by the contravention or alleged contravention to which an undertaking relates—
(a) while the undertaking is in effect; or
(b) if the undertaking has been fully complied with and discharged.".