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Modifications etc. (not altering text)
C1Pt. I (ss. 1-19): power to modify conferred (7.2.1994) by 1993 c. 49, s. 35, Sch. 1 Pt. I para. 5(3)(d); S.R. 1994/17, art. 2
Pt. I (ss. 1-19) amended (1.4.1999) by 1999 c. 2, s. 3(1)(7); S.I. 1999/527, art. 2(b), Sch. 2
C2Pt. 1 modified (5.10.2009) by The Steps to Work (Miscellaneous Provisions) Order (Northern Ireland) 2009 (S.R. 2009/297), arts. 1(1), 2(1)(a)
(1)[F1The Inland Revenue may by regulations make provision] so that where—
(a)an earner, in respect of any one or more employments of his, is treated by regulations under section 2(2)(b) above as being self-employed; and
(b)in any tax year he has earnings from any such employment (one or more) which fall within paragraph (b)(i) of [F2subsection (8)] of section 11 above but is not liable for a higher weekly rate of Class 2 contributions by virtue of regulations under that subsection; and
(c)the total of those earnings exceeds [F3£8,632],
he is to be liable, in respect of those earnings, to pay a Class 4 contribution F4... .
[F5(1A)The amount of a Class 4 contribution payable by virtue of regulations under this section is equal to the aggregate of—
(a)the main Class 4 percentage of so much of the total of the earnings referred to in subsection (1)(b) above as exceeds [F6£8,632] but does not exceed [F6£50,000]; and
(b)the additional Class 4 percentage of so much of that total as exceeds [F6£50,000];
but the figures specified in this subsection are subject to alteration under section 129 of the Administration Act.]
(2)[F7In relation to Class 4 contributions payable by virtue of regulations under this section], [F1regulations made by the Inland Revenue may]—
(a)apply any of the provisions of Schedule 1 to this Act (except a provision conferring power to make regulations); and
(b)make any such provision as may be made by regulations under that Schedule, except paragraph 6 [F8or 7BZA].
Textual Amendments
F1Words in s. 18(1)(2) substituted (1.4.1999) by S.I. 1999/671, art. 4, Sch. 3 para. 18 (with savings and transitional provisions in Sch. 7); S.R. 1999/149, art. 2(c), Sch. 2 (subject to arts. 3-6)
F2Words in s. 18(1)(b) substituted (with effect for the tax year 2015-16 and subsequent tax years) by National Insurance Contributions Act 2015 (c. 5), Sch. 1 paras. 14, 35
F3Sum in s. 18(1) substituted (6.4.2019) by The Social Security (Contributions) (Rates, Limits and Thresholds Amendments and National Insurance Funds Payments) Regulations 2019 (S.I. 2019/262), regs. 1, 5
F4Words in s. 18(1) repealed (with effect for 2003-04 and subsequent tax years) by National Insurance Contributions Act 2002 (c. 19), ss. 7, 8(2), Sch. 2
F5S. 18(1A) inserted (with effect for 2003-04 and subsequent tax years) by National Insurance Contributions Act 2002 (c. 19), ss. 3(4), 8(2)
F6Sums in s. 18(1A) substituted (6.4.2019) by The Social Security (Contributions) (Rates, Limits and Thresholds Amendments and National Insurance Funds Payments) Regulations 2019 (S.I. 2019/262), regs. 1, 5
F7Words in s. 18(2) substituted (24.3.1999 for specified purposes and 1.4.1999 otherwise) by S.I. 1999/671, arts. 1(2)(b), 3(1), Sch. 1 para. 8 (with savings and transitional provisions in Sch. 7); S.R. 1999/149, art. 2(c), Sch. 2 (subject to arts. 3-6)
F8Words in s. 18(2)(b) inserted (1.9.2004) by National Insurance Contributions and Statutory Payments Act 2004 (c. 3), s. 13, Sch. 1 para. 2(3); S.I. 2004/1943, art. 5(a)(ii)