Articles in this category What is R67 and how does it affect me? Well, if your buying a gas bottle from GAS IT then R67 and its rules and regulations don't apply to you as your just fitting a GAS IT gas bottle that's approved to the same specification as your curre... What is EN1949? We do get asked is our equipment certified or approved to the EN1949 gas regulation as some of our competitors state their equipment is. The simple answer is No, and the reason why is because EN1949 i... NCC CoP 306 THIS DOCUMENT HAS NOW BEEN SUPERSEDED BY COP 32 - from the Liquid Gas association The NCC Code of Practice 306 ( National The refilling of privately owned refillable gas bottles. The refilling of privately owned refillable gas bottles via their pre-fitted Overfill Prevention Device (OPD) and either a remotly fitted vehicle fillpoint or via the directly fitted EASYFILL bottle m...