In addition to the requirements set out in Article 10 and Article 11, on a fishing vessel of 24 metres in length and over, or on a vessel which normally remains at sea for more than three days:
| 1. | The medical certificate of a fisher shall state, at a minimum, that: |
| (a) | the hearing and sight of the fisher concerned are satisfactory for the fisher’s duties on the vessel; and |
| (b) | the fisher is not suffering from any medical condition likely to be aggravated by service at sea or to render the fisher unfit for such service or to endanger the safety or health of other persons on board. |
| 2. | The medical certificate shall be valid for a maximum period of two years unless the fisher is under the age of 18, in which case the maximum period of validity shall be one year. |
| 3. | If the period of validity of a certificate expires in the course of a voyage, the certificate shall remain in force until the end of that voyage. |
