s 2 Class 4 contributions
(1) In section 15(3ZA) of SSCBA 1992 and SSCB(NI)A 1992 (Class 4 percentages)— (a) in paragraph (a) (main Class 4 percentage), for “8” substitute “ 9 ” , and (b) in paragraph (b) (additional Class 4 percentage), for “1” substitute “ 2 ” . (2) In section 143(4)(b) of SSAA 1992 (power to alter contributions with a view to adjusting level of National Insurance Fund: main Class 4 percentage not to be increased to more than 8.25 per cent), for “8.25” substitute “ 9.25 ” .