(1)The places to which subsection (2) of section 2 of the [1987 c. 4.] Ministry of Defence Police Act 1987 (jurisdiction) applies shall include land, vehicles, vessels, aircraft and hovercraft which are—
(a)in the possession, under the control or used for the purposes of a contractor; and
(b)used for the purposes of, or for purposes which include, carrying on designated activities.
(2)Subsection (3) of that section shall have effect as if the reference to Crown property included a reference to property which—
(a)belongs to a contractor, is in its possession or under its control or has been unlawfully removed from its possession or control; and
(b)is (or was immediately before its removal) used to any extent for the purpose of carrying on designated activities.