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| Document Title | UN R129: Proposal for a Supplement 4 to the 04 series of amendments | ||||||||
| Reference Number | WP.29/2025/129 | ||||||||
| Date |
19 Aug 2025
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| Summary | Proposal to enable approval of an Enhanced Child Restraint System (ECRS) with a module that is, or can be, converted into a booster seat or an ECRS with a module of a vehicle-specific application and to remove the prohibition on use of the Unique Identifier per the WP.29 decision to change the default application of the UI from a requirement (requiring prohibition in cases where UI does not apply) to a permission (requiring an affirmative statement that UI may be used under a Regulation). | ||||||||
| Rulemaking Area(s) | UN R129 Enhanced Child Restraints | ||||||||
| Regulatory Impact |
04 series of amendments | Supplement 4
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| Proposal Status | Formal WP.29 review | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRSP/2025/4 | UN R129: Proposal for Supplement 3 to the 04 series of amendments (superseded) | ||||||||
| GRSP-77-12 | UN R129: Proposal for a Supplement 4 to the 04 series of amendments (superseded) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| GAR server | .pdf format | .docx format | |||||||