47(2)Where the person who is injuriously affected is a minor, a mental incompetent or a person incapable of managing his affairs, his claim for compensation, if not made on his behalf within the period stipulated in subsection (1), shall be made within one year after he ceases to be under the disability or, in the case of his death while under the disability, within one year after his death, and if not so made the right to compensation is forever barred.