Section 45 of the Principal Act is amended as follows:(a) by omitting from subsection (3) "A" and substituting "Subject to subsection (4) , a" ;(b) by inserting the following subsection after subsection (3) :(4) If the Board may give its consent for the treatment to be carried out immediately.(a) an application for the consent of the Board for the carrying out of medical or dental treatment on a person has been made under section 44 ; and(b) the Board considers that the treatment is urgent