5—(1) This paragraph applies to a power of entry conferred by section 18(1), 21(2), 24(2), 25(2), 26(2), 27(2), 28(2), 48 or 49.N.I.
(2) A person may only exercise a power of entry to which this paragraph applies if on request—
(a)that person produces evidence of his or her identity and of entitlement to exercise the power,
(b)that person outlines the purpose for which the power is exercised.