Sch 4A para 8
(1) This Part of this Schedule has effect in relation to a Northern Ireland department— (a) the functions of which consist wholly or mainly of devolved policing and justice functions; and (b) in relation to which an Act of the Assembly provides, by virtue of section 21A(5)— (i) for it to be in the charge of a Northern Ireland Minister (the “relevant Minister”) who is supported by a junior Minister (the “relevant junior Minister”); and (ii) for the persons holding those offices to rotate at intervals determined by or under the Act.29 (2) In this paragraph “ devolved policing and justice function ” has the same meaning as in section 21A (see subsection (8) of that section).