Section 18(3) of the Principal Act is amended as follows:

(a) by omitting "is a" and substituting "is" ;

(b) by omitting from paragraph (a) "medical" and substituting "a medical" ;

(c) by omitting from paragraph (b) "pharmaceutical" and substituting "a pharmaceutical" ;

(d) by omitting from paragraph (c) "dentist" and substituting "a dentist" ;

(e) by omitting paragraph (d) and substituting the following paragraphs:

(d) a veterinary surgeon; or

(e) an authorised health professional.