Paragraph 1 above applies in particular to any claim for, or award of, supplementary benefit made before the commencement of this Act and to anything done or occurring in, or for the purposes of, adjudication proceedings before that day.

Any question as to entitlement to, or the amount of, any supplementary benefit, and any other question with respect to supplementary benefit, for any period shall be determined in accordance with the provisions with respect to those matters in force during that period.