15A local authority does not have to comply with any duties imposed by—
(a)section 2A(2) to (4) or (6) of the Chronically Sick and Disabled Persons Act 1970 (welfare services: transition for children to adult care and support), or
(b)section 17ZH(2) to (4) or (6) of the Children Act 1989 (section 17 services: transition for children to adult care and support).