The National Highway Traffic Safety Administration (NHTSA) has published two final rules concerning child safety and restraints.
Part 572: http://1.usa.gov/z933FZ
49 CFR Part 572 is ammended to include specifications of a Hybrid III 10-year-old size child test dummy (HIII-10C).
Effective from 27th April 2012
FMVSS 213: http://1.usa.gov/y0dRKe
This rule incorporates requirements in FMVSS 213 to use the HIII-10C to test child restraints recommended for children weighing more than 65 lbs.
Effective 27th February 2012.