(a) The Chief State’s Attorney may recommend to the Criminal Justice Commission for appointment by said commission special assistant state’s attorneys, special deputy assistant state’s attorneys and special inspectors on a contractual basis for a temporary period of time.

(b) Upon the request of the Attorney General, the Chief State’s Attorney may designate any attorney requested by the Attorney General as a special assistant state’s attorney to prosecute any criminal offense, except violations of titles 9, 14, 18, 29, 46a, 53 and 53a, chapters 420b and 420c of title 21a and sections 17b-97 and 17b-99. If such designation of any attorney is denied, the Chief State’s Attorney shall state the reasons for such denial in writing.

(c) The Chief State’s Attorney may designate any assistant state’s attorney from the office of the Chief State’s Attorney or any other assistant state’s attorney on request of the appropriate state’s attorney for appointment as a special assistant United States attorney to assist in the investigation and prosecution of specific criminal matters in federal court.