Friday 3 April from 13.00 until Friday 10 April 2020 at 13.00, Brussels time,The first working day from Monday 20 April 2020,

Friday 3 April from 13.00 until Friday 10 April 2020 at 13.00, Brussels time,The first working day from Monday 20 April 2020,

Monday 6 or Tuesday 7 April 2020,The first working day from Friday 17 April,
Monday 18 or Tuesday 19 May 2020,The first working day from Thursday 28 May,