(1) In dealing with a child under section 173, the Secretary—
(a) must have regard to the best interests of the child as the first and paramount consideration; and
(b) must make provision for the physical, intellectual, emotional and spiritual development of the child in the same way as a good parent would; and
(c) must have regard to the fact that the child's lack of adequate accommodation is not by itself a sufficient reason for placing the child in a secure welfare service; and
(d) must have regard to the treatment needs of the child.
(2) In placing a child under section 173(2)(d), the Secretary must have regard to the prescribed criteria (if any).