Updated amendments from the AECS informal group based on GRSG/2017/12 to refine the draft regulation on AECS under consideration by GRSG.

Proposal to correct editorial errors, clarify the text, insert the proposal presented in document GRSG-111-13, and provide additional information to reflect provisions presented elsewhere in the text.

Proposal for a new UN Regulation on AECS as approved by the April 2017 GRSG session for submission to the World Forum for adoption. The doc version provides mark-up notations. The pdf is a clean version of the approved text.