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UN R49 | 07 series of amendments | Supplement 3
(2026)
UN R49 | 07 series of amendments | Supplement 3 was adopted during the 197th WP.29 session (10-14
Nov 2025)198th WP.29 session (9-13
Mar) based on WP.29/2025/94 and WP.29/2025/162.
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WP.29/2025/94: Proposal to introduce new provisions to accommodate type-approval of hydrogen Type 1A dual fuel engines and vehicles, modifications to include Fourier Transform Infrared (FTIR) and Quantum Cascade Laser (QCL) instruments, new provisions to accommodate monitoring on-board fuel and/or energy consumption during PEMS testing, and to amend for consistency between UN R49 and UN R83 in light of amendments to the 06 and 07 series of UN R83.
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WP.29/2025/162: Proposal to correct document WP.29/2025/94.
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Discussion from 197th WP.29 session (10-14
Nov 2025)
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(h) AC.2 reviewed the WP.29 agenda and recommended to postpone to the next session consideration of ECE/TRAN/WP.29/2025/162 (agenda item 4.6.2).
68. The World Forum considered draft amendments under agenda items 4.6.1 to 4.6.10. and recommended their submission to AC.1 for voting. For agenda item 4.6.2, WP.29 agreed with the AC.2 recommendation to postpone consideration of ECE/TRANS/WP.29/2025/162 to the next session.
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UN R13 | 12 series of amendments | Supplement 7
(2026)
UN R13 | 12 series of amendments | Supplement 7 was adopted during the 196th WP.29 session (23-27
Jun 2025) based on WP.29/2025/57.
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WP.29/2025/57: Proposal to mitigate the risks of decreasing trailer brake performance caused by brake pads and linings “falling asleep”. With 34 of the 53 Contracting Parties applying UN R13 present and voting, AC.1 adopted document WP.29/2025/57 by a vote of 34 in favor, 0 opposed, with 0 abstaining.
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UN R178 | Original text
(2026)
New UN Regulation
UN R178 | Original text was adopted during the 196th WP.29 session (23-27
Jun 2025) based on WP.29/2025/79.
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WP.29/2025/79: Proposal to transpose EU Regulation 2021/64 on emergency lane-keeping systems into a new regulation under the 1958 Agreement on the mutual recognition of type approvals. With 37 of the Contracting Parties applying UN R178 present and voting, AC.1 adopted document WP.29/2025/79 by a vote of 37 in favor, 0 opposed, with 0 abstaining.
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UN R129 | 04 series of amendments | Supplement 3
(2026)
UN R129 | 04 series of amendments | Supplement 3 was adopted during the 196th WP.29 session (23-27
Jun 2025) based on WP.29/2025/52.
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WP.29/2025/52: Proposal to clarify the prerequisites for the granting of type approval numbers for “Enhanced Child Restraint Systems”. With 36 of the 59 Contracting Parties applying UN R129 present and voting, AC.1 adopted document WP.29/2025/52 by a vote of 36 in favor, 0 opposed, with 0 abstaining.
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UN R129 | 03 series of amendments | Supplement 12
(2026)
UN R129 | 03 series of amendments | Supplement 12 was adopted during the 196th WP.29 session (23-27
Jun 2025) based on WP.29/2025/51.
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WP.29/2025/51: Proposal to clarify the prerequisites for the granting of type approval numbers for “Enhanced Child Restraint Systems”. With 36 of the 59 Contracting Parties applying UN R129 present and voting, AC.1 adopted document WP.29/2025/51 by a vote of 36 in favor, 0 opposed, with 0 abstaining.
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UN R105 | 07 series of amendments | Corrigendum 1
(2025)
UN R105 | 07 series of amendments | Corrigendum 1 was adopted during the 197th WP.29 session (10-14
Nov 2025) based on WP.29/2025/107.
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WP.29/2025/107: Proposal to correct paragraph 5.1.3.7. to read: “5.1.3.7. Hydrogen fuel cell vehicles.” (rather than “hydrogen and fuel cell vehicles”). With 38 of the 53 Contracting Parties applying UN R105 present and voting, AC.1 adopted document WP.29/2025/107 by a vote of 38 in favor, 0 opposed, with 0 abstaining.
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UN R174 | 01 series of amendments | Corrigendum 1
(2025)
UN R174 | 01 series of amendments | Corrigendum 1 was adopted during the 197th WP.29 session (10-14
Nov 2025) based on WP.29/2025/136.
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WP.29/2025/136: Proposal to add the Regulation number in the introduction section (i.e., replace “Regulation No. XXX” with “Regulation No. 174”) and correct an editorial error in paras. 2.4., 5.2.3.1., 5.5.1., 5.6.2.4., and 5.6.2.5. The term “master control switch” should read “vehicle master control switch”. With 41 of the 61 Contracting Parties applying UN R174 present and voting, AC.1 adopted document WP.29/2025/136 by a vote of 41 in favor, 0 opposed, with 0 abstaining.
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UN R145 | 01 series of amendments | Corrigendum 1
(2025)
UN R145 | 01 series of amendments | Corrigendum 1 was adopted during the 197th WP.29 session (10-14
Nov 2025) based on WP.29/2025/133.
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WP.29/2025/133: Proposal to correct para. 6.2.5.1. (seat inertia forces) to specify application of UN R14 (not “this Regulation” as erroneously copied) for the anchorage load tests. With 41 of the 59 Contracting Parties applying UN R145 present and voting, AC.1 adopted document WP.29/2025/133 by a vote of 41 in favor, 0 opposed, with 0 abstaining.
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UN R145 | Original text | Corrigendum 2
(2025)
UN R145 | Original text | Corrigendum 2 was adopted during the 197th WP.29 session (10-14
Nov 2025) based on WP.29/2025/132.
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WP.29/2025/132: Proposal to correct para. 6.2.5.1. (seat inertia forces) to specify application of UN R14 (not “this Regulation” as erroneously copied) for the anchorage load tests. With 41 of the 59 Contracting Parties applying UN R145 present and voting, AC.1 adopted document WP.29/2025/132 by a vote of 41 in favor, 0 opposed, with 0 abstaining.
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UN R174 | Original text | Corrigendum 1
(2025)
UN R174 | Original text | Corrigendum 1 was adopted during the 197th WP.29 session (10-14
Nov 2025) based on WP.29/2025/135.
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WP.29/2025/135: Proposal to correct paragraph references and add the Regulation number in the introduction section (i.e., replace “Regulation No. XXX” with “Regulation No. 174”). With 41 of the 61 Contracting Parties applying UN R174 present and voting, AC.1 adopted document WP.29/2025/135 by a vote of 41 in favor, 0 opposed, with 0 abstaining.
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