45Pension increase (wife)
(1)This section applies to—
(a)a Category A or Category C retirement pension;
(b)an invalidity pension.
(2)Subject to the following provisions, the weekly rate of a pension to which this section applies, when payable to a man, shall be increased by the amount respectively specified in relation to the relevant pension in Schedule 4, Part IV, column (4)—
(a)for any period during which the pensioner is residing with his wife; or
(b)for any period during which the pensioner is contributing to the maintenance of his wife at a weekly rate not less than that amount, and his wife is not engaged in any one or more employments from which her weekly earnings exceed that amount.
(3)Where the pensioner is residing with his wife, and the earnings of his wife for the week ending last before any week for which he is entitled to benefit under this section exceeded £20, the weekly rate of benefit under this section shall for the last-mentioned week be reduced—
(a)where the excess is less than £4, by 5 pence for each complete 10 pence of the excess; and
(b)where the excess is not less than £4, by 5 pence for each complete 10 pence of the excess up to £4 and by 5 pence for each complete 5 pence of any further excess.
In this subsection " week", where used in the expression " week for which he is entitled to benefit", means such period of 7 days as may be prescribed by regulations made for the purposes of this subsection.
(4)With effect from such day as may be prescribed in the week containing 6th April in a year mentioned in the first column below, subsection (3) above shall have effect with the substitution for " £20 " of the amount specified in relation to that year in the second column below—