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.

UN Regulation No. 123
Adaptive Front-lighting Systems
Series of Amendments, Supplements, and Corrigenda

This page lists changes to UN R123 by series of amendments, supplements, and corrigenda. A new series occurs when there is a material change in requirements such that an approval granted prior to the change is not equivalent to an approval given after the change. A supplement generally improves the clarity of the regulation; however, a supplement may also involve changes to the scope (range of products) covered by the regulation. A corrigenda is a correction to the text.

Supplement 1 to the 01 series of amendments (2011)

Corrigendum 1 Supplement 1 to the 01 series of amendments (2011)

Supplement 2 to the 01 series of amendments (2012)

Supplement 3 to the 01 series of amendments (2012)

01 series of amendments | Supplement 4 (2013)

01 series of amendments | Supplement 5 (2014)

01 series of amendments | Supplement 6 (2014)

01 series of amendments | Supplement 7 (2015)

01 series of amendments | Supplement 8 (2017)

01 series of amendments | Supplement 9 (2018)

02 series of amendments (2019)

02 series of amendments | Supplement 1 (2020)

01 series of amendments | Supplement 10 (2021)

02 series of amendments | Supplement 2 (2021)

Reference Number:	ECE/TRANS/2023/7/Rev.1
Meeting Session(s):	35th PTI session (24 Apr)
Document date:	11 Dec 23
Regarding:	ePTI \| PTI-ADAS \| PTI-AV \| Safe and Clean Vehicles

Reference Number:	PTI-35-01/Rev.1
Meeting Session(s):	35th PTI session (24 Apr)
Document date:	22 Apr 24
Regarding:	PTI-AECS \| PTI: PN Emissions \| ePTI \| PTI Anti-Tampering \| PTI: Whole Life Compliance

Reference Number:	ACPE-07-08
Meeting Session(s):	7th ACPE session (26 Mar)
Document date:	22 Apr 24
Regarding:	ACPE

Reference Number:	ACPE-07-07
Meeting Session(s):	7th ACPE session (26 Mar)
Document date:	22 Apr 24
Regarding:	ACPE

UN Regulation No. 123 Adaptive Front-lighting Systems Series of Amendments, Supplements, and Corrigenda

UN Regulation No. 123
Adaptive Front-lighting Systems
Series of Amendments, Supplements, and Corrigenda