UN-R44
UN-R129 (i-Size child restraint systems)
Information such as approval category, weight category and type approval number can be found on the approval label on the child restraint system.
There may be further information such as the ISOFIX size categories, depending on the approval category of the child restraint system.
Universal: child restraint systems in the "Universal" category are approved for installation in vehicles. They can be used in accordance with the overviews of suitability of seats for the anchorage of child restraint systems on seats labelled U, UF or IUF.
The identification IUF refers to ISOFIX child restraint systems in the "Universal" category. These child restraint systems must be additionally anchored with Top Tether or support points.
Semi-Universal: child restraint systems in the "semi-universal" category may only be used if the vehicle and vehicle seat are listed in the child restraint system manufacturer's vehicle model list.
Vehicle-specific: child restraint systems in the "vehicle-specific" category may only be used if the vehicle and vehicle seat are listed in the child restraint system manufacturer's vehicle model list.
i‑Size: child restraint systems in the "i‑Size" category are approved for installation in vehicles with i‑Size mounting brackets. They can be used in accordance with the overviews on suitability of seats for the anchorage of child restraint systems on seats labelled i‑U.
The identification i‑U refers to i‑Size child restraint systems in the "Universal" category. These child restraint systems must be additionally anchored with Top Tether or support points.