Regulation 47—(1) In the event of a technical failure or non-functioning of a monitoring device, the Master or the owner of the vessel or their representative shall communicate every two hours, or at a shorter interval as specified by the Fisheries Monitoring Centres, any information required by the Fisheries Monitoring Centres from the time of notification of failure of a monitoring device.(2) The reports required under sub-regulation (1) must continue until a monitoring device is confirmed to be operational by the Fisheries Monitoring Centres.(3) A fishing vessel shall not leave port, if a technical failure or non-functioning, of a monitoring device is detected.(4) A Fisheries Monitoring Centre shall inform a Master or an owner of the vessel or its representative of defectiveness or non-functioning of a monitoring device fitted on board a fishing vessel.(5) The Commission shall request the replacement of a defective monitoring device.(6) Masters of vessels shall ensure the continuous monitoring of the international distress and calling frequency 2182 kHz (HF) and the international safety and calling frequency 156.8 MHz (channel 16, VHFFM) to facilitate communication with the Fisheries Monitoring Centres.