In this Part “Welsh NHS body” means—
(a)a Local Health Board,
(b)a Special Health Authority performing functions only or mainly in respect of Wales,
(c)a National Health Service trust all or most of whose hospitals, establishments and facilities are situated in Wales or any trustees appointed in pursuance of section 11 of the National Health Service and Community Care Act 1990 (c. 19) for such a trust, or
(d)a body of trustees appointed in pursuance of section 29(1) of the National Health Service Reorganisation Act 1973 (c. 32) and section 95(1) of the National Health Service Act 1977 (c. 49) for a trust all or most of whose hospitals, establishments and facilities are situated in Wales.