Part IXAlteration of Contributions Etc.
143Power to alter contributions with a view to adjusting level of National Insurance Fund
C11
Without prejudice to section 141 above, the F9Treasury may at any time, if F10they think it expedient to do so with a view to adjusting the level at which the National Insurance Fund stands for the time being and having regard to the sums which may be expected to be paid from the Fund in any future period, make an order amending Part I of the Contributions and Benefits Act by altering any one or more of the following figures—
b
the percentage rate specified as the secondary percentage in section 9(2),
d
the figure specified in section 13(1) as the amount of a Class 3 contribution;
e
the percentage rate F4specified as the main Class 4 percentage in section 15(3ZA)(a).
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3
An order under subsection (1) above may if it contains an amendment altering the figure specified in F13section F1611(6) of the Contributions and Benefits Act as the weekly rate of Class 2 contributions and the F11Treasury think it expedient in consequence of that amendment, amend section 11(4) of that Act by altering the figure there specified as the F14F17small profits threshold for the purposes of Class 2 contributions.
4
No order shall be made under this section so as—