in sub-paragraph (1) for the words from “officers” to “to time” substitute “ classes of officers employed by the Commissioners as may be ” ;

in sub-paragraph (2) for the words from “civil service superannuation” to “relief)” substitute “ principal civil service pension scheme within the meaning of section 2 of the Superannuation Act 1972 and for the time being in force, and the relevant provisions of that scheme.... F1 ” ; and

in sub-paragraph (4) omit the words from “the civil” to “service ; and”.