officers and staff of the cab (with the exception of members of the and the bureau legal officer) are protected with statutory anonymity. this anonymity, whilst causing some concerns, has been recognised an important practical issue for all countries when faced with action against people who may be involved in violent crime and extortion and recognises that although police and customs officers are usually trained to deal with such threats and to expect them, revenue and social security officials do not reasonably expect to have to deal with such risks when they take a job.