40. (1) The sums payable under sections 38 and 39 shall be revalorized by adding the percentages shown in Schedule A.
(2) The revalorization provided for in subsection 1 shall apply to the amounts payable after 30 September 1967.
(3) The obligation to pay the increase in the sum resulting from the revalorization shall devolve upon the accident fund or the employer in the same manner as the obligation to pay the compensation.