Section 24. For section 43 of the principal Act, the following section shall be substituted, namely:

24. For section 43 of the principal Act, the following section shall be substituted, namely:— "43. (1) Where an Inspector is of opinion that any person employed in a mine is a child or is an adolescent without a certificate of fitness or is an adolescent with a certificate of fitness but no longer fit to work in the capacity stated in the certificate, he may serve on the manager of the mine a notice requiring that such person shall be examined by a certifying surgeon and such person shall not, if the Inspector so directs, be ~~succession and medical examination.~~ ~~25. (2) Where an Inspector is of opinion that any person employed in a mine is a child or is an adolescent without a certificate of fitness or is an adolescent with a certificate of fitness but no longer fit to work in the capacity stated in the certificate, he may serve on the manager of the mine a notice requiring that such person shall be examined by a certifying surgeon and such person shall not, if the Inspector so directs, be OP 1959] Mines (Amendment) 487 employed or permitted to work in any mine until he has been so examined and has been certified that he is an adult or, if an adolescent, he has been granted a certificate of fitness, or, as the case may be, a fresh certificate of fitness under section 40. (2) Every certificate as to the age of a person which has been granted in the prescribed manner and any certificate granted by a certifying surgeon on a reference under sub-section (1) shall, for the purposes of this Act, be conclusive evidence of the matters stated therein.".