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STATUS AS AT : 20-04-2014 05:01:08 EDT
B . Road Traffic
16 .20 Regulation No. 20. Uniform provisions concerning the approval of motor vehicle headlamps emitting an asymmetrical passing beam or a driving beam or both and equipped with halogen filament lamps (H4 lamps)
1 May 1971
Entry into force
1 May 1971, in accordance with article 1(5).
Registration :
1 May 1971, No. 4789
Status :
Parties : 36
Text :
United Nations,  Treaty Series , vol. 774, p. 174; vol. 1019, p. 374, vol. 1429, p. 323 and doc. E/ECE/324-E/ECE/TRANS/505/Rev.1/Add.19/Rev.1 (revised text incorporating amendments series 01), and Amend.l (amendments series 02); vol. 1559, p. 324 and doc. TRANS/SC1/WP29/234 (supplement 1 to series 02); vol. 1693, p. 92 and docs. TRANS/SC1/WP29/308 and 306 (supplement 2 to amendments series 02); vol. 1696, p. 225 and doc. TRANS/SC1/WP29/334(supplement 3 to amendments series 02); vol. 1770, p. 482 and doc. TRANS/SC1/WP29/370 (supplement 4 to amendments series 02); vol. 1840, p. 344 and doc. TRANS/SC1/WP29/391 (supplement 5 to amendments series 02); vol.?1832, p. 257 (procès-verbal concerning modifications);  vol. 1884, p. 453 (rectifications); C.N.207.1995.TREATIES-36 of 4 August 1995 (procès-verbal concerning modifications); vol. 1999, p. 461 and doc. TRANS/WP.29/541 (supplement 6 to series 02); C.N.109.2001.TREATIES-1 of 9 March 2001 and doc.TRANS/WP.29/765 (amendments series 03) and C.N.774.2001.TREATIES-2 of 17 September 2001 (adoption).1
Contracting Parties applying Regulation No. 20 2
Application of regulation, Succession(d)
 1 Mar 1972
 3 Jul 2003
Belgium 3
 1 May 1971
Bosnia and Herzegovina 4
28 Sep 1998 d
Croatia 4
17 Mar 1994 d
Czech Republic 5
 2 Jun 1993 d
21 Oct 1976
 2 Dec 2012
European Union 6
23 Jan 1998
19 Jul 1976
France 7
15 Jul 1971
Germany 8
18 Jul 1972
 4 Oct 1995
19 Aug 1976
 5 May 1971
19 Nov 1998
28 Jan 2002
 2 Aug 1985
Montenegro 9
23 Oct 2006 d
Netherlands 3
 1 May 1971
New Zealand 10
18 Jan 2002
23 Dec 1987
 7 Apr 1992
23 Dec 1976
Russian Federation
 8 Feb 1996
Serbia 4
12 Mar 2001 d
Slovakia 5
28 May 1993 d
Slovenia 4
 3 Nov 1992 d
South Africa
18 Apr 2001
20 Sep 1973
Sweden 7
 7 Jul 1971
 4 Dec 1995
The former Yugoslav Republic of Macedonia 4
 1 Apr 1998 d
 1 Jul 1998
 9 Aug 2002
United Kingdom of Great Britain and Northern Ireland
 1 Oct 1971
End Note
1.For additional references to the texts of the annexed regulations and their amendments, see doc. TRANS/WP.29/343 as updated annually.
2.For technical reasons and in order to align this chapter with all others in the publication, the date indicated is no longer the date of effect of the regulation for the Contracting Party, but the date of receipt of the notification of application by the Secretary-General.
3.Contracting State having proposed the Regulation and date of entry into force of the Regulation for that State in accordance with article 1 (3).
4.The former Yugoslavia applied Regulation No. 20 as from 28 June 1976. See also note 1 under “Bosnia and Herzegovina”, “Croatia”, “former Yugoslavia”, “Slovenia”, “The Former Yugoslav Republic of Macedonia” and “Yugoslavia” in the “Historical Information” section in the front matter of this volume.
5.Czechoslovakia applied Regulation No. 20 as from 14 April 1972.  See also note 1 under “Czech Republic” and note 1 under “Slovakia” in the “Historical Information” section in the front matter of this volume.
6.In a letter dated 29 July 1998, the European Community informed the Secretary-General of the following:

"The accession of the EC has the effect that the [...] regulations adhered to are not (in cases where a Member State already applied a regulation: no longer) applied by Member States by virtue of their status as Contracting Parties to the Agreement but exclusively in their capacity as Member States of the Contracting Party European Community. Thus, the 14 Member States already Contracting Parties themselves, now apply all [these] regulations by virtue of the EC's accession."

... By the EC accession, Ireland has not become a Contracting Party. Only the EC has become a Contracting Party. Ireland being a Member State of this Contracting Party applies the [...] regulations [adhered to by the EC] by virtue of the EC's accession.

It will be recalled that, as at 29 July 1999, States Members of the EC are: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, The Netherlands, Portugal, Spain, Sweden and the United Kingdom.

7.Date of entry into force of Regulation No. 20 as indicated by the Contracting State in its notification of application:


Participant:Date entry into force:
France1 May 1971
Sweden1 May 1971

8.The German Democratic Republic applied Regulation No. 20 as from 3 Januay 1976.

With regard to the above, the Government of the Federal Republic of Germany in a communication received on 14 January 1991, informed the Secretary-General of the following:

- [Regulations 20 which had] been applied by both the Federal Republic of Germany and the German Democratic Republic shall continue to apply...

The notification further states that it “. . . does not constitute a general statement of position by the Federal Republic of Germany on the question of state succession in relation to treaties.”

See also note 2 under “Germany” in the “Historical Information” section in the front matter of this volume.

9.See note 1 under "Montenegro" in the "Historical Information" section in the front matter of this volume.
10.See note 1 under "New Zealand" regarding Tokelau in the "Historical Information" section in the front matter of this volume.