(1)In section 338 of the Taxes Act (exemption of income and gains of certain trade unions if applicable and applied for purpose of provident benefits) references to a registered trade union shall be construed as including references to the Police Federation for England and Wales, the Police Federation for Scotland, the Police Federation for Northern Ireland and any other organisation of persons in police service which has similar functions.
(2)This section shall have effect in relation to income or gains which are applicable and applied as mentioned in subsection (1) of the said section 338 after 30th September 1971.