appointing authoritymeans, in relation to a member who is appointed, the person who or body which appoints him;
health service bodymeans— (a) a health authority, a Special Health Authority (including the hospital authorities) or a National Health Service trust;
hospital authoritymeans a Special Health Authority established by the Authorities for Ashworth, Broadmoor and Rampton Hospitals (Establishment and Constitution) Order 1996;
membermeans a member of a hospital authority (including the chairman);
non-officer membermeans a member who is not an officer of a hospital authority and includes the chairman;
officer membermeans a member who is an officer of a hospital authority;
the 1977 Actmeans the National Health Service Act 1977;
the hospitalsmeans the special hospitals known as Ashworth, Broadmoor and Rampton hospitals;
the specified mental health service functionsmeans the Secretary of State’s functions under the provisions of the 1977 Act which are specified in column 1 of Schedule 1 and his functions under the Mental Health Act 1983 as the managers of the relevant hospital.