43.—(1) This regulation applies where—
(a)a person (A) is entitled to welfare supplementary payment,
(b)A forms a couple with another person (B) who is not entitled to welfare supplementary payment, and
(c)A or B (or A and B in the case of a joint-claim couple as referred to in Part 3, or a joint claim as referred to in Part 5) are awarded—
(i)disability-related premium referred to in Part 2, 3 or 4
(ii)disability-related element referred to in Part 5, or
(iii)severe disability component referred to in Part 6.
(2) Welfare supplementary payment must cease to be paid from the date A or B (or A and B in the case of a joint-claim couple or a joint claim) are entitled to the disability-related premium, disability-related element or severe disability component (as the case may be).