The UK government will then send legal texts to the European Union later this week in the hope of reaching a deal.
However, leaked proposals to create 'customs clearance zones' close to the Irish border have already been rejected by Dublin.
Boris Johnson insists the leaks do not represent Britain's upcoming proposals accurately.
But the Telegraph's Brexit correspondent Peter Foster says they're causing concern in Ireland.
IN: "The Irish...
OUT: ...government."
DUR: 17 seconds
http://www.fsnradionews.com/feeds/1001brexit-foster1.mp3