| UN R16 Safety belt systems | Safety belts and related systems | Uniform Provisions Concerning the Approval of: I. Safety-belts, Restraint Systems, Child Restraint Systems and ISOFIX Child Restraint Systems for Occupants of Power-driven Vehicles II. Vehicles Equipped with Safety-belts, Safety-belt Reminders, Restraint Systems, Child Restraint Systems and ISOFIX Child Restraint Systems Safety belt systems Safety belts and related systems UN Regulation No. 16 UN R16 | UNR | 16 | |
| UN R129 Enhanced Child Restraints | Enhanced Child Restraint Systems | Regulation on uniform provisions concerning the approval of enhanced Child Restraint Systems used onboard of motor vehicles. Initiation of a third phase of work to develop a new type-approval regulation for next-generation ISOfix CRS (ISOfix 3.0) is under discussion. Enhanced Child Restraints Enhanced Child Restraint Systems UN Regulation No. 129 UN R129 | UNR | 129 | |
| UN R145 ISOFIX anchorage systems | ISOFIX anchorages systems, ISOFIX top tether anchorages and i-Size seating positions | Regulation adopted in November 2017 to separate ISOFIX and child restraint system anchorage provisions from UN Regulation No. 14 in order to facilitate implementation of the International Whole Vehicle Type Approval program. This regulation was established in parallel with the 08 series of amendments to UN R14. ISOFIX anchorage systems ISOFIX anchorages systems, ISOFIX top tether anchorages and i-Size seating positions UN Regulation No. 145 UN R145 | UNR | 145 |