7. Section 8 of the Principal Act is amended—
(a) by omitting from paragraph (2) (a) “air cleaning”;
(b) by omitting from subparagraph (2) (b) (i) “air cleaning”;
(c) by omitting subparagraph (3) (a) (iii) and substituting the following subparagraph:
“(iii) is within premises that are fitted with equipment capable of maintaining air quality in accordance with Australian Standard 1668.2;”;
(d) by omitting from subparagraph (3) (b) (i) “air cleaning”;
(e) by adding at the end of subparagraph (3) (b) (ii) “and”; and
(f) by adding at the end of subsection (3) the following paragraph:
“(c) the determined fee has been paid.”.