For subsection (3) of section 33 of the 1967 Act (inspectors of constabulary), there shall be substituted—
“(3)It shall be the duty of the inspectors of constabulary, on being directed to do so by the Secretary of State, to visit and inquire into any matter concerning or relating to the operation of a police force or of police forces generally; and, without prejudice to the generality of this subsection, such matters may include the state and efficiency of, and of the buildings and equipment used by, the force or forces.”.