31U.K.In section 44 (power to authorise stopping and searching), after subsection (4) insert—
“(4A)In a case (within subsection (4)(a), (b) or (c)) in which the specified area or place is in, on or in the vicinity of policed premises, an authorisation may also be given by a member of the British Transport Police Force who is of at least the rank of assistant chief constable.
(4B)In a case in which the specified area or place is a place to which section 2(2) of the Ministry of Defence Police Act 1987 applies, an authorisation may also be given by a member of the Ministry of Defence Police who is of at least the rank of assistant chief constable.
(4C)But an authorisation may not be given by—
(a)a member of the British Transport Police Force, or
(b)a member of the Ministry of Defence Police,
in any other case.”