The EU want to force the UK into making the decision as soon as possible because this country is in a very weak bargaining position at the moment. Financial problems, beginnings of civil unrest, lack of leadership (and coherent opposition), etc.
It can try and bluff and bluster it's way: "the council expects..." but all it takes is the UK representatives (not Farage, but people like Cameron and Lord Hill had he not resigned) to say "Until we actually enact Article 50 you must continue to include the UK in all discussions."
The EU can refuse to begin formal or informal exit negotiations with the UK until Article 50 is enacted (but it will probably eventually start to have these anyway, despite saying it won't), but it can't refuse to do the usual business with the UK in the mean time.
The EU want to force the UK into making the decision as soon as possible because this country is in a very weak bargaining position at the moment. Financial problems, beginnings of civil unrest, lack of leadership (and coherent opposition), etc.
It can try and bluff and bluster it's way: "the council expects..." but all it takes is the UK representatives (not Farage, but people like Cameron and Lord Hill had he not resigned) to say "Until we actually enact Article 50 you must continue to include the UK in all discussions."
The EU can refuse to begin formal or informal exit negotiations with the UK until Article 50 is enacted (but it will probably eventually start to have these anyway, despite saying it won't), but it can't refuse to do the usual business with the UK in the mean time.