2(1)The Social Security (Contributions) Regulations 2001 are amended as follows.
(2)In regulation 21 (annual maxima for those with more than one employment)—
(a)in paragraph (2), in Step Two, for “12 per cent” substitute “11.5%”, and
(b)in paragraph (3), for “12 per cent” substitute “the rate specified as the main primary percentage”.
(3)In regulation 100 (annual maximum of Class 4 contributions), in paragraph (4), for “12 per cent” substitute “the rate specified as the main primary percentage”.
(4)The amendments made by this paragraph are treated as having come into force on 6 April 2023.