Section 151 of the Principal Act is amended as follows:

(a) by omitting from subsection (1) "A Chief" and substituting "The Chief" ;

(b) by omitting from subsection (1)(a) "within that Chief Psychiatrist's jurisdiction" ;

(c) by omitting from subsection (1)(b) "that Chief" and substituting "the Chief" ;

(d) by omitting from subsection (3) "relevant" .