Mike wrote:

If your dog trust you and you are firm but kind with it, you will win.
Don't forget the praise and reward. Guide Dogs are trained to go to the
loo 'when told' and the key word is 'Busy'. A Guide Dog will be taken to
an appropriate area and told to 'Busy', and it does!!!

Oh no. I spot a new House of Commons heckle coming up when Mr Blunkett
gets up to speak.