(1) The case of any insured person for permanent disablement benefit shall be referred by the Corporation to a medical board for determination of the disablement question and if, on that or any subsequent reference, the extent of loss of earning capacity of the insured person is provisionally assessed, it shall again be so referred to the medical board not later than the end of the period taken into account by the provisional assessment.
(2) If the insured person or the Corporation is not satisfied with the decision of the medical board, the insured person or the Corporation may appeal in the prescribed manner and within the prescribed time to -
(i) the medical appeal tribunal constituted in accordance with the provisions of the regulations with a further right of appeal in the prescribed manner and within the prescribed time to the Employees' Insurance Court, or
(ii) Employees' Insurance Court directly:)
(Provided that no appeal by a insured person shall lie under this sub-section if such person has applied for commutation of disablement benefit on the basis of the decision of the medical board and received the commuted value of such benefit:
Provided further that no appeal by the Corporation paid the commuted value of the disablement benefit on the basis of the decision of the medical board.)
