BS 5306-3:2017 gives recommendations for the initial commissioning of all portable fireextinguishers and schedules for the subsequent maintenance of extinguishers installed in alllocations. It also gives recommendations for handling certain obsolete types of extinguishers.Cross References:BS EN 3 (all parts)BS EN 15004-5:2008BS 5306-9:2015BS EN 15004-2:2008BS EN 15004-10:2008BS EN 1968:2002BS EN 15004-9:2008 BS EN ISO 5923:2012BS EN 1802:2002BS EN 27201-1:1994BS 5306-8:2012PAS 79:2012BS EN 2:1992