(1) Every person who, immediately before the commencement of this Act, was detained in a hospital under a reception order made pursuant to section 42 of the Mental Health Act 1969 shall be deemed for the purposes of this Act to be detained in that hospital pursuant to section 45.
(2) Every person who, immediately before the commencement of this Act, was detained in a hospital pursuant to section 43 of the Mental Health Act 1969 shall be deemed for the purposes of this Act to be detained in that hospital pursuant to section 46.