(1)Subject to section 30(7) of this Act, paragraphs 7 and 9 of Schedule 11 thereto and any regulations under subsection (2) of this section, the weekly rate of a retirement pension under the said section 30 shall be increased by one shilling for every twelve contributions (not being graduated contributions) as an employed or self-employed person paid by the beneficiary in respect of the period after his attaining pensionable age.
(2)Regulations may provide that, in such cases and subject to such exceptions as may be prescribed, a contribution paid by a woman over pensionable age in respect of any contribution week for the whole of which—
(a)she is entitled to widow's benefit or to a retirement pension by virtue of her husband's insurance ; or
(b)her husband is entitled in respect of her to an increase of the weekly rate of any benefit,
shall be disregarded for the purposes of subsection (1) of this section.