21. Amendments to Rules annexed to the 1997 Agreement
221. With 11 of the 17 Contracting Parties to the 1997 Agreement applying UN Rule No. 1 present, AC.4 adopted Amendment 3 (ECE/TRANS/WP.29/2023/137 by a vote of 11 in favor, none against, and no abstentions.
Rule 1: Proposal for amendment
Reference Number: WP.29/2023/137
Proposal to add the possibility to perform a particle number (PN) inspection tests on diesel cars of categories M and N into Resolution R.E.6.