If one is co-operating with somebody, one needs to be sure who it is one is co-operating with and that he or she has the same standards and procedures. My colleague suggested that standards, principles and codes of practice should be drawn up at European level which is to be welcomed. It is interesting that at a meeting dealing with conditions for the setting up of joint committees matters such as pen rations and so on were dealt with but not much was said about the methodology and standards required.