(1) Where it appears to a local authority that any authority F484... mentioned in subsection (3) could, by taking any specified action, help in the exercise of any of their functions under this Part, they may request the help of that other authority F484... specifying the action in question.
(2)An authority whose help is so requested shall comply with the request if it is compatible with their own statutory or other duties and obligations and does not unduly prejudice the discharge of any of their functions.
(3)The [F485 authoritiesF485] are—
(a)any local authority;
F486(b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(c)any local housing authority;
[F487 (ca)[F488 NHS EnglandF488] ;F487]
(d) any [F489 integrated care board,F489] [[F490,F491 Local Health BoardF491] , Special Health AuthorityF490] F492 ... [F493 , National Health Service trust or NHS foundation trustF493] ;
[F494 (da)any local authority in WalesF494] ; and
(e)any person authorised by the [F495 Secretary of StateF495] for the purposes of this section.
[F496 (3A)The Secretary of State must not authorise the Welsh Ministers under subsection (3)(e) without their consent.F496]
F497(4). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .