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| Document title | UN R129: Proposal for a Supplement 4 to the 04 series of amendments | ||||||||||
| Date | 19 Aug 2025 | 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). | |||||||||
| Status | Formal WP.29 review | ||||||||||
| Rulemaking area(s) | |||||||||||
| Regulatory impact |
04 series of amendments | Supplement 4
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| 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| GRSP/2025/4 | UN R129: Proposal for Supplement 3 to the 04 series of amendments (Superseded) | ||||||||||
| GRSP-77-12 | UN R129: Proposal for a Supplement 4 to the 04 series of amendments (Superseded) | ||||||||||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 | |||||