(1) For the heading to section 77HA of the Principal Act substitute —
" Department Head may direct holder to give notice of or lodge application for variation of work plan ".
(2) For section 77HA(3) of the Principal Act substitute —
"(3) After considering any comments made by the holder of the extractive industry work authority, the Department Head may direct the holder—
(a) if the variation is a minor variation, to give notice of the variation under section 77HAA(1)(a); or
(b) in any other case, to lodge an application for approval of the variation.
(4) In this section—
"minor variation" has the same meaning as in section 77HAA.".
Part 4—Duty to eliminate or minimise risk of harm