copy of the ISO proposal (document GRB-64-04) to clarify the text in order to limit the potential for misinterpretation, presented at the September 2016 GRB session.

Working draft for further refinements and clarifications to UN R51 under the auspices of the informal group on Additional Sound Emission Provisions.

OICA comments on the ISO proposals to clarify the provisions of Regulation No. 51, Revision 3, Annex 7.

ASEP informal group proposal to clarify UN R51 to address potential misinterpretation.

Draft proposal from the informal working group on Additional Sound Emission Provision to clarify the current text pursuant to the first group session. The intention is to submit a final document as a formal proposal to the 65th GRB session.

ASEP flowchart pursuant to the first ASEP informal group session held during 7-8 November 2016.