17 Exceptions, deferment and incidental matters relating to Class 4 contributions

(1) The Secretary of State may by regulations made with the concurrence of the Inland Revenue provide—

(a) for excepting persons from liability to pay Class 4 contributions in accordance with sections 15 and 16(1) to (3) above; or

(b) for deferring any person’s liability,

and may certify from time to time to the Inland Revenue the persons who are excepted from liability, or whose liability is to be deferred, and who accordingly are not required (except in accordance with the regulations) to be assessed for contributions.

(2) Exception from liability, or deferment, under subsection (1) above may, in particular, be by reference—

(a) to a person otherwise liable for contributions being under a prescribed age at the beginning of a tax year;

(b) to a person having attained pensionable age;

(c) to a person being in receipt of earnings in respect of which primary Class 1 contributions are, or may be, payable; or

(d) to a person not satisfying prescribed conditions as to residence or presence in the United Kingdom.

(3) Regulations may provide for any incidental matters arising out of the payment of any Class 4 contributions recovered by the Inland Revenue, including in particular the return, in whole or in part, of such contributions in cases where—

(a) payment has been made in error; or

(b) repayment ought for any other reason to be made.

(4) Regulations may provide for any matters arising out of the deferment of liability for Class 4 contributions under subsection (1) above, including in particular provision for the amount of a person’s profits or gains (as computed in accordance with Schedule 2 to this Act) to be certified by the Inland Revenue to the Secretary of State and the person liable.

(5) No such certificate as is referred to in subsection (4) above shall relate to a person’s profits or gains so far as they exceed the higher of the two money sums for the time being specified in section 15(3) above.

(6) Any regulations under subsection (3) or (4) above must be made with the concurrence of the Inland Revenue.

18 Class 4 contributions recoverable under regulations

(1) Provision may be made by regulations 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 subsection (3) 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 £6,120,

he is to be liable, in respect of those earnings, to pay a Class 4 contribution of an amount equal to 6.3 per cent. of so much of the total as exceeds £6,120 and does not exceed £21,060.

(2) It shall be for the Secretary of State, and not the Inland Revenue, to recover Class 4 contributions payable by virtue of regulations under this section and generally to be responsible for the relevant administration; and, in relation to contributions so payable, regulations 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.

General

19 General power to regulate liability for contributions

(1) Regulations may provide either generally or in relation to—

(a) any prescribed category of earners; or

(b) earners in any prescribed category of employments,

that their liability in a particular tax year in respect of contributions of prescribed classes is not to exceed such maximum amount or amounts as may be prescribed.

(2) Regulations made for the purposes of subsection (1) above may provide—

(a) for an earner whose liability is subject to a maximum prescribed under that subsection to be liable in the first instance for the full amount of any contributions due from him apart from the regulations, or to be relieved from liability for such contributions in prescribed circumstances and to the prescribed extent; and

(b) for contributions paid in excess of any such maximum to be repaid at such times, and in accordance with such conditions, as may be prescribed.

(3) Regulations may provide, in relation to earners otherwise liable for contributions of any class, for excepting them from the liability for such periods, and in such circumstances, as may be prescribed.

(4) As respects any woman who was married or a widow on 6th April 1977 (the date of the coming into force of the repeal of the old provisions that primary Class 1 contributions might be paid at a reduced rate and Class 2 contributions need not be paid by a married woman or a widow) regulations shall provide—

(a) for enabling her to elect that her liability in respect of primary Class 1 contributions shall be a liability to contribute at such reduced rate as may be prescribed; and

(b) either for enabling her to elect that her liability in respect of Class 2 contributions shall be a liability to contribute at such reduced rate as may be prescribed or for enabling her to elect that she shall be under no liability to pay such contributions; and

(c) for enabling her to revoke any such election.

(5) Regulations under subsection (4) above may—

(a) provide for the making or revocation of any election under the regulations to be subject to prescribed exceptions and conditions;

(b) preclude a person who has made such an election from paying Class 3 contributions while the election has effect;

(c) provide for treating an election made or revoked for the purpose of any provision of the regulations as made or revoked also for the purpose of any other provision of the regulations;

(d) provide for treating an election made in accordance with regulations under section 130(2) of the 1975 Act as made for the purpose of regulations under subsection (4) above.

(6) Regulations may provide for earnings factors to be derived, for such purposes as may be prescribed, as follows, that is to say—

(a) in the case of earnings factors for 1987-88 or any subsequent tax year—

(i) from earnings upon which primary Class 1 contributions are paid at a reduced rate by virtue of regulations under subsection (4) above; or

(ii) from Class 2 contributions paid at a reduced rate by virtue of such regulations; and

(b) in the case of earnings factors for any earlier tax year, from contributions which are paid at a reduced rate by virtue of regulations under subsection (4) above;

and if provision is made for a person to have earnings factors so derived for the purpose of establishing entitlement to any benefit, the regulations may, in relation to that person, vary or add to the requirements for entitlement to that benefit.