23A pension payable by a Secretary of State in consequence of any change affecting the National Health Service and payable—
(a)in pursuance of an order under section 11(9) of the National Health Service Act 1946 ; or
(b)under regulations made under section 60(2) of the [1958 c. 55.] Local Government Act 1958, section 85(4) of the [1963 c. 33.] London Government Act 1963 or section 35 of the [1968 c. 46.] Health Services and Public Health Act 1968.