20. Restrictions on entry and re-entry to, and remaining on, premises

(1) This rule applies where the enforcement agent is entering, re-entering or remaining on premises in the circumstances mentioned in rule 18(1).
(2) The enforcement agent may enter, re-enter or remain on the premises only if —
(a) the debtor is not a child; or
(b) a child or vulnerable person (whether more than one or a combination of both) is not the only person present in the premises which the enforcement agent proposes to enter or re-enter.