31. For its sixty-sixth session, scheduled to be held in Geneva from 4 (starting at 2.30 p.m.) to 6 (concluding at 5.30 p.m.) September 2017, GRB noted that the deadline for the submission of official documents to the secretariat would be 9 June 2017, twelve weeks prior to the session. The following provisional agenda was adopted:

1. Adoption of the agenda.
2. Regulation No. 28 (Audible warning devices).
3. Regulation No. 41 (Noise of motorcycles): Development.
4. Regulation No. 51 (Noise of M and N categories of vehicles):
(a) Development;
(b) Additional sound emission provisions.
5. Regulation No. 63 (Noise emissions of mopeds).
6. Regulation No. 117 (Tyre rolling noise and wet grip adhesion).
7. Regulation No. 138 (Quiet road transport vehicles).
8. Draft Regulation on reversing alarm.
9. Collective amendments.
10. Exchange of information on national and international requirements on noise levels.
11. Influence of road surface on tyre rolling sound emissions.
12. Acronyms and abbreviations in Regulations under the responsibility of GRB.
13. Proposal for amendments to the Consolidated Resolution on the Construction of Vehicles.
14. Development of the International Whole Vehicle Type Approval (IWVTA) system and involvement of the Working Parties (GRs) in it.
15. Highlights of the March and June 2017 sessions of WP.29.
16. Exchange of views regarding the future work of GRB.
17. Other business.
18. Provisional agenda for the sixty-seventh session.
19. Election of officers