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National Insurance Contributions Act 2011

Section 2: Class 4 contributions

23.Section 2 specifies the changes to be made to section 15(3ZA) of SSCBA 1992 and SSCB(NI)A 1992 (Class 4 percentages).

24.Subsection (1)(a) provides that the main rate of Class 4 contributions is increased from 8% to 9%.

25.Subsection (1)(b) provides that the additional rate of Class 4 contributions is increased from 1% to 2%.

26.Subsection (2) amends section 143(4)(b) of the Social Security Administration Act 1992 (SSAA 1992) (power to alter contributions with a view to adjusting level of National Insurance Fund). It increases from 8.25% to 9.25% the limit for any increase in the rate of Class 4 contributions that may be made by Treasury order.

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