Paragraph 3 Non-contributing service
References to non-contributing service shall be construed as references to service which—
(a)
would have been reckonable for the purpose of calculating a benefit under the approved pension scheme and
(b)
is attributable to service, before entering approved employment, which was non-contributing service for the purpose of the Act of 1937 or of regulations made under section 67 of the National Health Service Act 1946.