15.—(1) The condition is that the relevant person or his partner is, or both of them are, in receipt of invalid care allowance under section 70 of the 1992 Act.
(2) If a relevant person or his partner, or both of them, would be in receipt of invalid care allowance but for the provisions of the Social Security (Overlapping Benefits) Regulations 1979(1), where—
(a)the claim for that allowance was made on or after 1st May 1991, and
(b)the person or persons in respect of whose care the allowance has been claimed remains or remain in receipt of attendance allowance or the care component of disability living allowance at the highest or middle rate prescribed in accordance with section 72(3) of the 1992 Act, he or his partner, or both of them, as the case may be, shall be treated for the purposes of sub-paragraph (1) as being in receipt of invalid care allowance.
(3) Where the relevant person or his partner ceases to be in receipt of, or ceases to be treated as being in receipt of, invalid care allowance, the condition mentioned in sub-paragraph (1) shall be treated as satisfied for a period of eight weeks from the date on which he or his partner, as the case may be, was last in receipt of, or was last treated as being in receipt of, invalid care allowance.