4(1)Proceedings for an offence under section 1, 2 or 3 of this Act shall not be instituted in England or Wales, or (for section 3) in Northern Ireland, except by or with the consent of the Attorney General.
(2)Sub-paragraph (1) above shall not prevent the issue or execution of a warrant for the arrest of any person in respect of an offence, or the remanding in custody or on bail of any person charged with an offence.