The EU needs to prepare for work that will need to be performed without the participation of the UK. This was stated by Bratislava at a joint press conference with President of France Francois Hollande Chancellor of Germany Angela Merkel
“Of course, Britain remains part of the European Council, up until the logout process has not been completed, with all the rights, with all the responsibilities. And of course, we know that the agenda of the European Council always discussed together, and Donald Tusk, as European Council President will do it (British Prime Minister) Theresa may, but we must of course prepare for our work, which we will have to do without the UK,” she said after an informal EU summit.
Britain out of the EU after the referendum. Chronicle of events