The deadline for the submission of official working documents is 9 March 2018. The session, including GRPE informal working group meetings, is scheduled to be held in Geneva, Palais des Nations, starting on Monday, 4 June 2018, from 9.30 a.m. until Friday, 8 June 2018, at 5.30 p.m. Interpretation services should be provided from 6 June (2.30 p.m.) to 8 June (12.30 p.m.) 2018.