Section 16

a morbid condition shall be deemed to be of permanent nature if it is either incurable or is not likely to be cured;

a person shall be deemed to be incapable of engaging in substantially gainful activity, if in consequence of the specific morbid condition of sickness or infirmity, he is no longer capable of earning, by work corresponding to his strength and physical ability which, in view of his training and former occupation, might reasonably be assigned to him at the place of his employment or at a similar place in the neighbourhood or in the same district, one-third of the customary earnings of a mentally and physically sound person with similar qualifications and training;

in determining whether the claimant is suffering from invalidity, account shall be taken of any permanent improvement in the state of his invalidity which results or is expected to result from such measures of physical or vocational rehabilitation as may be offered to him free of charge by the Organization.

When insured person eligible for invalidity pension