| Revalidation of certificate |
| Revalidation of certificate |
12.—(1) Every holder of a certificate of competency who is serving at sea, or intends to return to sea after a period ashore shall, in order to requalify or continue to qualify for sea service in the capacity appropriate to his certificate, at regular intervals to be determined by the Director but not exceeding 5 years, satisfy the Director as to his medical fitness (including eyesight and hearing), and professional competence, as may be specified by the Director.
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