(1)The interests of national security are specified in this section.
(2)In subsection (1) “national security” includes public security; and in this subsection “public security” has the same meaning as in article 21(3) of Council Regulation (EEC) No. 4064/89 of 21st December 1989 on the control of concentrations between undertakings as amended by Council Regulation (EC) No. 1310/97 of 30th June 1997.
(3)The Secretary of State may by order modify this section for the purpose of specifying in this section a new consideration or removing or amending any consideration which is for the time being specified in this section.
(4)An order under this section may apply in relation to cases under consideration by the OFT, by the Secretary of State, by the appropriate Minister (other than the Secretary of State acting alone) or by the Commission before the making of the order as well as cases under consideration on or after the making of the order.