GAR

Regulation:	UN Regulation No. 137 \| Restraint System in Frontal Impact
Document:	Revision 2
Corresponds to:	01 series of amendments \| Supplement 1 (Entered into force on 29 Dec 2018)
Corresponds to:	01 series of amendments \| Supplement 2 (Entered into force on 28 May 2019)
Corresponds to:	01 series of amendments \| Supplement 3 (Entered into force on 3 Jan 2021)
Corresponds to:	02 series of amendments (Entered into force on 9 Jun 2021)

Regulation:	UN Regulation No. 161 \| Devices for Protection against Unauthorized Use
Document:	Revision 0 \| Amendment 3
Corresponds to:	00 series of amendments \| Supplement 3 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/146 Proposal from GRSG to clarify the scope of the UN Regulation and to complement the text with the missing Supplement 7 to the original version of UN R116.

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 9 \| Amendment 2
Corresponds to:	12 series of amendments \| Supplement 2 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/138

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 8 \| Amendment 11
Corresponds to:	11 series of amendments \| Supplement 20 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/137 Proposal to clarify provisions regarding the actuation of the parking brake warning device to cover the case of electric control transmission systems where there may be a transition between parked (applied) and un-parked (released) braking states.

Working Party on Brakes and Running Gear | Session 79 | 16-20 Feb 2015

Geneva

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Agenda Item 4.

Regulation No. 55 (Mechanical couplings)

Documentation

GRRF-79-03 Update of UN Regulaton No. 55: Request for guidance concerning performance vs. requirements

GRRF/2015/14 Proposal for amendments to Regulation No. 55

R55-08-05 Regulation No. 55: Text for modular vehicles and in-use requirements

Reference Number:	GRRF-79-03
Meeting Session(s):	79th GRRF session (16-20 Feb 2015)
Document date:	23 Dec 14
Regarding:	UN R55 Mechanical Couplings
View full document file for more information

Reference Number:	GRRF/2015/14
Meeting Session(s):	79th GRRF session (16-20 Feb 2015)
Document date:	04 Dec 14
Document status:	Superseded
Regarding:	UN R55 Mechanical Couplings
View full document file for more information

Reference Number:	R55-08-05
Meeting Session(s):	8th R55 session (16 Oct 2014)
Document date:	29 Sep 14
Regarding:	UN R55 Mechanical Couplings
View full document file for more information

Reference Number:	EVE-69-24
Meeting Session(s):	69th EVE session (16-17 Apr)
Document date:	26 Apr 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability