43. For its seventy-eighth session, scheduled to be held in Geneva from 30 August to 1 September 2023, GRBP decided to keep the same structure for the provisional agenda, subject to the inclusion of a new subitem “Tyre abrasion” under the item “Tyres”. GRBP noted that the deadline for the submission of official documents to the secretariat would be 6 June 2023, twelve weeks prior to the session.