4Foregoing provisions not to apply in certain cases
The foregoing provisions of this Act shall not apply—
(a)to teachers to whom the provisions of section one of the [2 & 3 Geo. 6. c. 91.] Teachers Superannuation (War Service) Act, 1939, apply;
(b)to any other teacher to whom the Secretary of State decides that the said provisions of this Act ought not to apply.