| (1) | Whenever the director has reason to suspect— |
| (a) | that the health of the holder of a certificate of fitness has deteriorated substantially since his last medical examination; or |
| (b) | that the holder of a certificate of fitness is performing work which he or she is not in terms of that certificate permitted to perform; or |
| (c) | that the holder of a certificate of fitness is not complying with a restriction subject to which his certificate has been issued or renewed; or |
| (d) | that the health of the holder of a certificate of fitness is such that the performance by him or her of risk work at a controlled mine or controlled works is likely to endanger his own health or safety or the health or safety of other workers, |
the director shall, by notice in writing to the holder concerned, declare his certificate of fitness to be cancelled, and direct him or her—
| (i) | to surrender such certificate to a person and at a time and place specified in such notice; and |
| (ii) | to report at a time and place so specified, in order to undergo a medical examination. |
| (2) | A copy of such notice shall forthwith be sent to the owner of the mine or works where the holder concerned is employed. |
