6.—(1) A responsible authority shall satisfy itself that the welfare of each child placed by it continues to be suitably provided for by the placement, and for that purpose the responsible authority shall—
(a)make arrangements for a person authorised by it to visit the child in the home in which he is placed, as circumstances may require and when reasonably requested by the child or the foster parent and in particular (but subject to regulation 9(2)), within one week from its beginning and thereafter at least once every month; and
(b)give such advice to the foster parent as appears to the responsible authority to be needed.
(2) In the case of an emergency or immediate placement under regulation 11, the responsible authority is to arrange for the child to be visited at least once in each week during the placement.
(3) On each occasion on which a child is visited under this regulation, the responsible authority shall cause the authorised person, if it considers it appropriate, to arrange to see the child alone.
(4) On each occasion on which a child is visited under this regulation, the responsible authority shall cause a written report to be prepared by the person who made the visit.