5E+W+SA person who, in the exercise of a relevant power enters on any premises which are unoccupied or whose occupier is temporarily absent shall leave the premises as effectually secured against trespassers as he found them.
Modifications etc. (not altering text)
C1Sch. 18 paras. 2-6 applied (with modifications) (6.3.1997) by S.I. 1997/648, reg. 28(5)(6)