Proposal to introduce chest vertical acceleration (Az) criteria until such time as upper neck tension Force (Fz) and upper neck flexion moment (My) criteria can be established.

Proposal to introduce limit values for the chest vertical acceleration (Az) of Q dummies during dynamic testing of Enhanced Child Restraint Systems (ECRS) until such time as upper neck tension Force (Fz) and upper neck flexion moment (My) criteria can be established.

Proposal to prohibit new type approvals under UN R44 from [1 September 2020] via the introduction of new transitional provisions. The purpose is to ensure that further child restraint system approvals are made under the UN R129.

Proposal to cease new approvals of booster-cushion CRS under UN R44 from 1 September 2021 and to amend the transitional provisions accordingly.