An ALC is deemed as signal-lost in the event that the commissioned professional institution has not received positions automatically transmitted by the ALC twice consecutively for any tuna purse seine fishing vessel or four times consecutively for any tuna longline fishing vessel or carrier vessel. In the event that the ALC is signal-lost for three consecutive days, it is deemed as mal-function.The malfunctioning ALC shall be repaired no later than 30 days.In the event that the ALC on board is signal-lost or mal-functional, the concerned distant water fisheries operator or captain shall immediately send information related to vessel positions by facsimile to the commissioned professional institution and the WCPFC Secretariat, or to the WCPFC Secretariat through the fishery radio station located in the Republic of China. The vessel positions shall be recorded by automatic recording satellite navigator for perusal in later days. The format of the facsimile is as shown in Appendix 16.The transmit of vessel positions as referred to in the preceding paragraph shall be every six hours for any tuna longline fishing vessel and carrier vessel, and hourly for any tuna purse seine fishing vessel.For any fishing vessel with a spare set of ALC on board, it shall report to the competent authority for using the spare set during the mal-function of the ALC. In case that the spare set is also mal-functional, a spare set from other fishing vessel may be deployed after obtaining the competent authority’s approval.Appendix 16 Facsimile Form for Vessel Position and Fishing Operation Information .pdf