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ISO 29061-4:2026

Road vehicles — Methods and criteria for usability evaluation of child restraint systems and their interface with vehicle anchorage systems — Part 4: Securing of child in child restraint system and daily handling aspects

Publication date:   Feb 6, 2026

General information

60.60   Standard published   Feb 6, 2026

ISO

ISO/TC 22/SC 36 Safety and impact testing

International Standard

43.040.80   Crash protection and restraint systems

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Scope

This document provides criteria for judgement of usability of child restraint systems (CRS) with regard to the securing of a child in the child seat and other daily handling aspects.
This document provides criteria for judgement of:

ease of availability of instructions;
clarity of instruction manual and labelling; and
the ease of use of design related features of the CRS related to securing the child or child dummy in a CRS installed in vehicle.

This document can be used in conjunction with either ISO 29061-1 or ISO 29061-3 for making a complete usability evaluation of CRSs attached to the vehicle with ISOFIX/LATCH or vehicle seat belts.
NOTE 1        CRS includes enhanced child restraint systems (ECRS) according to UN Regulation No. 129.
NOTE 2        Booster system usability evaluation, including securing of a child in the booster system, is covered by ISO 29061-5.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 29061-4:2017

NOW

PUBLISHED
ISO 29061-4:2026
60.60 Standard published
Feb 6, 2026