The third revision of the International SafetyNET Manual was circulated to IHO Member States, endorsed by COMSAR at its fourteenth session in March 2010 and subsequently approved by the MSC at its eighty-seventh session in May 2010. The amendments will come into force on 1 January 2012.
Update: Supplement for the International SafetyNET Manual, 2011, has been published and is available to download here