16. The experts of IWG presented draft proposals for Supplements to different series of amendments to UN Regulations Nos. 48, 53, 74 and 86 (GRE-84-05, GRE-84-06, GRE-84-07, GRE-84-08, GRE-84-09, GRE-84-10). Following a brief exchange of views, GRE invited all experts to provide comments to IWG SLR and requested IWG SLR to finalize the proposals as working documents for the next GRE session.