6(1)The weekly rate of a disablement pension where the beneficiary is entitled to an unemployability supplement shall be increased under this paragraph for any period during which—
(a)the beneficiary is—
(i)residing with his spouse, or
(ii)contributing to the maintenance of his spouse at the requisite rate; or
(b)a person—
(i)who is neither the spouse of the beneficiary nor a child, and
(ii)in relation to whom such further conditions as may be prescribed are fulfilled,
has the care of a child or children in respect of whom the beneficiary is entitled to child benefit.
(2)The amount of the increase under this paragraph shall be that specified in Schedule 4, Part V, paragraph 8 and the requisite rate for the purposes of sub-paragraph (1)(a) above is a weekly rate not less than that amount.
(3)Regulations may provide that, for any period during which—
(a)the beneficiary is contributing to the maintenance of his or her spouse at the requisite rate, and
(b)the weekly earnings of the spouse exceed such amount as may be prescribed,
there shall be no increase of benefit under this paragraph.
(4)Regulations may provide that, for any period during which the beneficiary is residing with his or her spouse and the spouse has earnings—
(a)the increase of benefit under this paragraph shall be subject to a reduction in respect of the spouse’s earnings; or
(b)there shall be no increase of benefit under this paragraph.
(5)Regulations may, in a case within sub-paragraph (1)(b) above in which the person there referred to is residing with the beneficiary and fulfils such further conditions as may be prescribed, authorise an increase of benefit under this paragraph, but subject, taking account of the earnings of the person residing with the beneficiary, other than such of that person’s earnings from employment by the beneficiary as may be prescribed, to provisions comparable to those that may be made by virtue of sub-paragraph (4) above.
(6)Regulations under this paragraph may, in connection with any reduction or extinguishment of an increase in benefit in respect of earnings, prescribe the method of calculating or estimating the earnings.
(7)A beneficiary shall not be entitled to an increase of benefit under this paragraph in respect of more than one person for the same period.