31. For its sixty-eighth session, scheduled to be held in Geneva from 12 (starting at 2.30 p.m.) to 14 (concluding at 5.30 p.m.) September 2018, GRB decided to keep the same structure of the provisional agenda, subject to the deletion of item 12 and adding two new items on Regulations Nos. 9 and 92. GRB noted that the deadline for the submission of official documents to the secretariat would be 18 June 2018, twelve weeks prior to the session.