Technical Report No. 120376-08-TAC
Uniform provisions concerning the approval of restraining devices for child occupants of power driven vehicles (”child restraint system – or car booster seat”)
Click to view/download as .pdf;
See also the DEKRA safety test results and UN approval here:
* For children with weight range from 33 pounds to 80 pounds.
The countries of the European Union have identical requirements in their laws for using the child restraint systems. The use of the child restraint systems in the European Union is obligatory. The child restraint system in Europe must satisfy the UN ECE Regulation No.: 44.04. The laws specifying requirements for the child restraint systems of other than European countries may differ. If you are outside the EU, contact the respective national institution or your car dealer.
Click to view/download;
UNITED STATES -> FMVSS-213 (33LBS – 80 LBS)
EUROPEAN UNION -> UN-ECE-regulation No.44.04
See also the other test results for the Easycarseat high back booster car seat: http://easycarseat.com//?p=86