Where:
(a) a person's invalidity pension is suspended under subsection 74(3);
(b) immediately before the suspension, the person had not attained the age of 64 years; and
(c) the suspension is not revoked:
(i) in a case where a request to revoke the suspension is made under section 74 before the expiration of a period of 12 months after the suspension came into force and CSC does not make a decision under section 74 in relation to that request within that period--upon the making of that decision; or
(ii) in any other case--for a period of 12 months;
CSC may, by notice in writing given to the person, cancel the person's entitlement to invalidity pension.