13.—(1) The following persons are prescribed for the purposes of section 4(1)(b) of the Act (persons at whose request an assessment must be carried out)—
(a)a child of an adoptive parent (whether or not adopted);
(b)a child who is the natural sibling (whether full or half-blood) of an adoptive child;
(c)a related person in relation to an adoptive child.
(2) Where the request of a person falling within section 4(1)(a) of the Act or paragraph (1) for an assessment relates to a particular adoption support service, or it appears to the local authority that the person’s needs for adoption support services may be adequately assessed by reference to a particular adoption support service, the local authority may carry out the assessment by reference only to that service.
(3) In assessing a person’s needs for adoption support services the local authority are not required to assess the person’s need for a service if he is not within the description of persons to whom provision of the service must be extended by virtue of regulation 4.