If you have a look in the ATC section a controller who is involved with sorting these sorts of issues out gave some information about what the current state of play is.
The international federation of Air traffic controllers is looking at the subject. After it being discussed its been kicked to committee and the recommendations being presented this year.
There really is no set rules. So if you don't like suprises while your going up like a fart in the bath while reconfiguring you have to ask what the missed approach is.