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(Latest posted on 24 Aug 2020)
UN R50 | Revision 2 | Corrigendum 2 (2010)
19 Apr 2010 2016-12-16 15:20:39 UTC 2 2
UN R50 | Revision 3 | Amendment 3 (2017)
6 Dec 2017 2017-12-20 06:00:41 UTC 3 3 00 series of amendments | Supplement 19
UN R50 | Revision 3 | Amendment 4 (2018)
26 Apr 2018 2018-05-04 07:30:36 UTC 3 4 00 series of amendments | Supplement 20
UN R50 | Revision 3 | Amendment 5 (2019)
8 Nov 2019 2020-01-06 12:11:25 UTC 3 5 01 series of amendments
UN R50 | Revision 2 (2009)
18 Feb 2009 2011-01-10 16:53:02 UTC 2 00 series of amendments | Supplement 8 Corrigendum 1 to Revision 1 00 series of amendments | Supplement 9 00 series of amendments | Supplement 10 00 series of amendments | Supplement 11 00 series of amendments | Supplement 12
UN R50 | Revision 2 | Amendment 1 (2011)
25 Jan 2011 2011-01-27 06:50:12 UTC 2 1 00 series of amendments | Supplement 13
UN R50 | Revision 2 | Amendment 2 (2011)
7 Jul 2011 2011-11-14 08:47:08 UTC 2 2 00 series of amendments | Supplement 14
UN R50 | Revision 2 | Amendment 3 (2011)
12 Dec 2011 2011-12-22 18:57:55 UTC 2 3 00 series of amendments | Supplement 15
UN R50 | Revision 2 | Corrigendum 1 (2009)
23 Apr 2009 2011-01-10 16:53:55 UTC 2 1
UN R50 (2009)
20 May 2009 2011-01-10 16:54:56 UTC
UN R50 | Revision 2 | Corrigendum 3 (2012)
4 Jun 2012 2012-06-19 16:13:36 UTC 2 3 Corrigendum 1 to Revision 2
UN R50 | Revision 3 (2013)
20 Aug 2013 2014-09-20 08:19:05 UTC 3 00 series of amendments | Supplement 15 00 series of amendments | Supplement 13 00 series of amendments | Supplement 14 Corrigendum 1 to Revision 2 of the Regulation 00 series of amendments | Supplement 16 Based upon the adopted proposal: WP.29/2012/75

Proposal as adopted by the Working Party on Lighting and Light-Signalling at its 67th session to introduce provisions for the use of light-emitting diode (LED) light sources per the draft UN R127 (documents WP.29/2010/44 and Corr.1) and amending the inward visibility angle of front position lamps.

UN R50 | Revision 3 | Amendment 1 (2015)
9 Nov 2015 2015-11-20 17:27:57 UTC 3 1 00 series of amendments | Supplement 17
UN R50 | Revision 3 | Amendment 2 (2016)
28 Oct 2016 2016-11-02 16:12:50 UTC 3 2 00 series of amendments | Supplement 18
Earlier texts may be available through the UN Official Document System.