Section 21: Classes of benefits.

(1)
Subject to this Part of this Act, there shall be payable the following classes of benefits -
(a) main benefits in respect of age, survivorship and invalidity;
(b) subsidiary benefits in respect of sickness; and
(c) withdrawal benefits in respect of emigration and withdrawal from the Fund
(2) The Minister may by notice in the Federal Gazette-
(a)
defer payment of any benefit other than a subsidiary benefit for a period of not more than twelve months after the coming into operation of this Act; and
(b)
in the case of a subsidiary benefit, direct that no payment shall be made until he is satisfied that an adequate system of medical certification is in operation.
(3)
Any benefit under this Act may be paid in one amount or with the approval of the Director may be converted and paid as an annuity.