Social Security Contributions and Benefits Act 1992

14 Restriction on right to pay Class 3 contributions

(1) No person shall be entitled to pay a Class 3 contribution in respect of any tax year if his earnings factor, or the aggregate of his earnings factors, for that year derived—

(a) in the case of 1987-88 or any subsequent year, from earnings upon which Class 1 contributions have been paid or treated as paid or from Class 2 contributions actually paid; or

(b) in the case of any earlier year, from contributions actually paid,

is equal to or exceeds the qualifying earnings factor for that year; and regulations may provide for precluding the payment of Class 3 contributions in other cases.

(2) Regulations may provide for the repayment of Class 3 contributions that have been paid in cases where their payment was precluded by, or by regulations made under, subsection (1) above.

(3) Contributions repayable by virtue of regulations under subsection (2) above shall, for the purpose of determining the contributor’s entitlement to any benefit, be treated as not having been paid (but nothing in this subsection shall be taken to imply that any other repayable contributions are to be treated for the purposes of benefit as having been paid).