Section 48 of the Principal Act is amended as follows:

(a) by inserting in subsection (1) "registered veterinary surgeon or registered veterinary specialist or a" after "investigation a" ;

(b) by inserting in subsection (1) "or she" after "he" ;

(c) by inserting in subsection (1) "or her" after "requiring him" ;

(d) by inserting in subsection (1) "or her" after "enabling him" ;

(e) by inserting in subsection (3)(a) "or she" after "he" ;

(f) by inserting in subsection (3)(a) "or her" after "him" ;

(g) by inserting in subsection (3)(b) "or she" after "he" ;

(h) by inserting in subsection (5) "or her" after "him" .