(1) Subject to this section, no proceedings for a contravention or alleged contravention of this Act may be brought against a person if a WHS undertaking is in effect in relation to that contravention.
(2) No proceedings may be brought for a contravention or alleged contravention of this Act against a person who has made a WHS undertaking in relation to that contravention and has completely discharged the WHS undertaking.
(3) The regulator may accept a WHS undertaking in relation to a contravention or alleged contravention before proceedings in relation to that contravention have been finalised.
(4) If the regulator accepts a WHS undertaking before the proceedings are finalised, the regulator must take all reasonable steps to have the proceedings discontinued as soon as possible.