2The Secretary of State shall make a scheme providing for the payment, notwithstanding anything in section 6 of the Old Cases Act (which restricts the scope of certain schemes under that Act), of benefit under the [S.I. 1966 No. 164.] Pneumoconiosis, Byssinosis and Miscellaneous Diseases Benefit Scheme 1966 to persons who, immediately before the coming into force of section 10(1) of this Act, were entitled to benefit under a scheme mentioned in the preceding paragraph.