Prospective
158—(1) This section applies if, after a person (“the relevant officer”) has removed, detained or transferred another person in reliance on any provision of this Part, any question arises—
(a)whether a particular provision of section 157 was complied with; or
(b)whether a belief of the relevant officer that a condition in section 139(2), 144(2) or 145(2) was met was a reasonable belief.
(2) In deciding that question, regard is to be had in particular to—
(a)the place and other circumstances in which the relevant officer's determination fell to be made; and
(b)in particular, where the relevant officer did not have available to him or her the advice of a medical practitioner or approved social worker, that fact.
(3) Nothing in this section affects the matters to which regard is to be had in deciding any similar question that may arise under any other Part.