(1) The purpose of this part is to provide for—(a) the suspension of criminal proceedings against a person—(i) who becomes a classified patient; or(ii) in relation to whom a direction is given under chapter 4 for a psychiatrist report to be prepared; or(iii) in relation to whom a reference is made to the Mental Health Court; and(b) the ending of the suspension of the criminal proceedings; and(c) the giving of notices in relation to the suspension, and the ending of the suspension, of the criminal proceedings.