Section 49 of the Principal Act is amended as follows:

(a) by omitting from subsection (1) "Director is to" and substituting "Director" ;

(b) by omitting from subsection (1)(a) "provide" and substituting "may provide" ;

(c) by inserting in subsection (1)(a) "presence or" after "the" ;

(d) by omitting from subsection (1)(a)(ii) "human pathogenic organisms or contaminants" and substituting "notifiable contaminant" ;

(e) by omitting from subsection (1)(b) "inform" and substituting "is to inform" ;

(f) by inserting in subsection (1)(b) "presence or" after "that" ;

(g) by omitting subsection (2) .