Just because May has permission to ask, does not mean she will get it.
It will take just on of the 27 to veto it, and already our hero Farage is hard at work lobbying those countries to ensure there will be no extension
HARD NO DEAL BREXIT HERE WE COME 
__________________
Cyber Devils Advocate (Retired)
Fame, Riches, Adventure, Glory - A Cyber Warrior craves not these things
In Memorium
Wendy (AKA Romantic Old Bird) 1951 - 2008