2In relation to any time before the commencement of section 8(2) of this Act, section 21 of the Administration Act (decision of adjudication officer) shall have effect as if after subsection (6) there were inserted the following subsection—
“(7)Where at any time a claim for a benefit to which section 20 above applies is decided by an adjudication officer or by a social security appeal tribunal on a reference by such an officer—
(a)the claim shall not be regarded as subsisting after that time; and
(b)accordingly, the claimant shall not (without making a further claim) be entitled to the benefit on the basis of circumstances not obtaining at that time.”