Article 27 Claims in respect of periods before commencement of scheme

A claim may be made in respect of a period before the coming into operation of this scheme for an allowance payable by virtue of any scheme revoked by this scheme, or any scheme made under the 1951 Act, and such a claim and any question arising in connection therewith shall be determined by the appropriate determining authority and any allowance in respect of such a period shall be awarded and paid in accordance with the provisions of any scheme which was in force during that period.