Arrangements between authorities and area authorities
12. Where arrangements are made by an authority which is looking after a child with an area authority to carry out functions in relation to a placement on behalf of the authority—
(a)the authority shall supply the area authority with all such information as is necessary to enable the area authority to carry out those functions on behalf of the authority;
(b)the area authority shall keep the authority informed of the progress of the child and, in particular, shall furnish reports to the authority following each visit to the home in which the child is placed and following each review of the case of the child carried out by the area authority on behalf of the authority;
(c)the authority and the area authority shall consult each other as necessary, and as soon as is reasonably practicable after each such review of the case of the child, with regard to what action is required in relation to him.