previous regulation next regulation
(Latest posted on 26 Sep 2023)
UN R24 | Revision 2 (1986)
25 Apr 1986 2011-01-05 09:55:58 UTC 2 03 series of amendments
UN R24 | Revision 2 | Amendment 1 (2001)
18 Jul 2001 2011-01-05 09:56:34 UTC 2 1 03 series of amendments | Supplement 1
UN R24 | Revision 2 | Amendment 2 (2005)
12 Jul 2005 2011-01-05 09:57:05 UTC 2 2 03 series of amendments | Supplement 2
UN R24 | Revision 2 | Amendment 3 (2007)
5 Apr 2007 2011-01-05 09:57:33 UTC 2 3 03 series of amendments | Supplement 3
UN R24 | Revision 2 | Amendment 4 (2019)
24 Jun 2019 2019-12-30 11:44:35 UTC 2 4 03 series of amendments | Supplement 4 Based upon the adopted proposal: WP.29/2018/143

Proposal to align UN R24 (Compression Ignition Engines – Emission of Visible Pollutants – Power Measurement) with UN R85 with regard to correction factors.

UN R24 | Revision 2 | Amendment 5 (2020)
17 Jan 2020 2022-03-20 18:25:19 UTC 2 5 03 series of amendments | Supplement 5 Based upon the adopted proposal: WP.29/2019/41

Proposal to align the provisions of the 03 series of amendments to UN R24 with UN R85. Other amendments are proposed in order to bring the format of UN R24 up to date.

UN R24 | Revision 2 | Amendment 6 (2022)
21 Feb 2022 2022-03-20 18:26:17 UTC 2 6 03 series of amendments | Supplement 6 Based upon the adopted proposal: WP.29/2021/67

Proposal to clarify the scope and application of the regulation.

Earlier texts may be available through the UN Official Document System.