Child Seat Laws prevent or reduce injury in the event of a crash.
Explanation:
Child seat laws are the rules and regulations that are used in order to reduce injury in the event of crash especially for the children.
This law basically includes the rules like safety belt laws, front facing seats for children under 18, etc.
The child seat law may vary from states to states in US.
The common thing that can be found in all those laws is that the children who has not developed a proper skeleton system like skull, bone, etc. are to be provided with extra safety than the adults.