(1)A Minister of the Crown may issue a certificate under this section in respect of any premises, if he considers that it is appropriate to do so for the purposes of safeguarding national security.
(2)A certificate under this section may identify the premises in question by means of a general description.
(3)A document purporting to be a certificate under this section is to be received in evidence and treated as being a certificate under this section unless the contrary is proved.
(4)A document which purports to be certified by or on behalf of a Minister of the Crown as a true copy of a certificate given by a Minister of the Crown under this section is evidence of that certificate.
(5)A Minister of the Crown may cancel a certificate issued by him, or any other Minister of the Crown, under this section.
(6)The powers conferred by this section on a Minister of the Crown may be exercised only by a Minister who is a member of the Cabinet or by the Attorney General.
(7)In this section “Minister of the Crown” has the meaning given by the Ministers of the Crown Act 1975 (c. 26).