Section 21

The claimant shall not be entitled to an invalidity grant unless he has paid twelve monthly contributions in the aggregate since contributions first become payable by him under this Act.

Invalidity grant under this section shall ordinarily be payable only when the person has attained sixty years of age or dies before attaining that age.

Notwithstanding subsection (3), invalidity grant under this Act may, at the option of the person concerned, be made at the time when invalidity is verified to exist:

Provided that the contributions so refunded shall be ignored in determining at any time in future his title to or right to pension.

Disablement benefit