Putting an end to all rumours and speculations, Prime Minister Theresa May’s spokesperson on Monday said the proceedings to start the Brexit process will officially begin on March 29.

Britain’s envoy to the European Union, Tim Barrow notified the office of European Council President Donald Tusk of the plan early morning, spokesperson James Slack said.

The official proceedings for Brexit that UK will invoke Article 50 of the EU’s Lisbon Treaty will be done by letter, he said.

“After we trigger, the 27 will agree their guidelines for negotiations and the Commission’s negotiating mandate,” Slack said.

“President Tusk has said he expected there to be an initial response within 48 hours. We want negotiations to start promptly but it’s obviously right that the 27 have an opportunity to agree their position." he added.