It's perfectly revocable, until 11pm 29th March.
Opinion is divided as to whether it requires Parliament or if the Government can do it without further ado.
Opinion is divided as to whether it requires Parliament or if the Government can do it without further ado.
The Treaties shall cease to apply to the State in question from the date of entry
into force of the withdrawal agreement or, failing that, two years after the
notification referred to in paragraph 2, unless the European Council, in agreement
with the Member State concerned, unanimously decides to extend this period.
Even overflights of EU by UK will struggle - Chicago allows them, but will EU air safety recognize the UK's CAA
There have been various platitudes about how neither side wants this to happen, but not very clear how legally it will happen.