Section 18 of the Principal Act is amended as follows:

(a) by omitting from subsection (1) "takes a person into protective custody" and substituting "temporarily detains a person for the purposes of assessment" ;

(b) by inserting in subsection (1)(a) "if the person is not already at an approved assessment centre" after "so)" ;

(c) by omitting from subsection (1)(b) "take over the protective custody of the person" and substituting "continue to so detain the person" ;

(d) by omitting from subsection (2) "take over the protective custody of" and substituting "continue to detain" ;

(e) by omitting from subsection (3) "A person's protective custody" and substituting "The temporary detaining of a person for assessment" .