(1) In the case of a person who, having been a self-employed contributor, makes a claim for State pension (contributory) on or after 6 April 1995, the contribution conditions contained in section 109 shall not be regarded as having been satisfied unless, in accordance with section 21 -
(a) the person has paid self-employment contributions in respect of at least one contribution year before attaining pensionable age or deferred pensionable age, as the case may be, and
(b) all self-employment contributions payable by him or her have been paid.
(2) A State pension (contributory) shall not be payable in respect of any period preceding the date on which all self-employment contributions, referred to in subsection (1) (b), payable by the person concerned have been paid.
(3) Where the person has paid all contributions due under subsection (1) (b) other than contributions payable in respect of the last complete contribution year before the date such person attains pension age, subsection (2)
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