GAR | UN R55 Mechanical Couplings

Series of amendments
Revisions
Contracting Parties
Documents (17 Jul 2025)
Meetings ( 6 Oct 2025)
Notifications (25 Jul 2022)

25 Jul 2022	Entry into force: 02 series of amendments \| Supplement 2 UN R55 \| 02 series of amendments \| Supplement 2 Based on WP.29/2021/153 as adopted during the 185th WP.29 session (23-26 Nov 2021). Proposal from GRSG to remove a subparagraph under paragraph 12.1 that should not have been included in Revision 2 of the Regulation. Open depositary notification
25 Jul 2022	Entry into force: 01 series of amendments \| Supplement 10 UN R55 \| 01 series of amendments \| Supplement 10 Based on WP.29/2021/105 as adopted during the 185th WP.29 session (23-26 Nov 2021). Proposal from GRSG to correct the omission of a Corrigendum to remove a subparagraph under paragraph 12.1 in UN R55. Open depositary notification
18 Apr 2022	Entry into force: 02 series of amendments \| Corrigendum 1 UN R55 \| 02 series of amendments \| Corrigendum 1 Based on WP.29/2022/40 as adopted during the 186th WP.29 session (7-11 Mar 2022). Proposal to correct cross-references. The paragraph 3.3. of Annex 6 is “Drawbar couplings and draw beams” and the paragraph 3.6 is “Drawbars”. Subparagraphs 3.6.1.–3.6.3. prescribe the tests of the drawbars. Open depositary notification
18 Apr 2022	Entry into force: 01 series of amendments \| Corrigendum 2 UN R55 \| 01 series of amendments \| Corrigendum 2 Based on WP.29/2022/39 as adopted during the 186th WP.29 session (7-11 Mar 2022). Proposal to correct cross-references. The paragraph 3.3. of Annex 6 is “Drawbar couplings and draw beams” and the paragraph 3.6 is “Drawbars”. Subparagraphs 3.6.1.–3.6.3. prescribe the tests of the drawbars. Open depositary notification
30 Jan 2011	Entry into force: 01 series of amendments \| Supplement 2 UN R55 \| 01 series of amendments \| Supplement 2 Based on WP.29/2010/66 as adopted during the 151st WP.29 session (22-25 Jun 2010). Open depositary notification