North Dakota child seat law lacking, NTSB says The National Transportation Safety Board on Monday urged lawmakers in North Dakota and 20 other states to pass more robust booster seat laws, saying "millions of children" remain at risk of injury or death because states don't match federal guide... Written By: Sun Staff | 7:06 am, Sep. 21, 2010 The National Transportation Safety Board on Monday urged lawmakers in North Dakota and 20 other states to pass more robust booster seat laws, saying "millions of children" remain at risk of injury or death because states don't match federal guidelines. Since 1996, the NTSB has called for state child restraint laws to cover all children up to age 8.