<Tr> <Td> Wyoming </Td> <Td> Secondary Enforcement </Td> <Td> June 8, 1989 </Td> <Td> Age 9 + in all seats </Td> <Td> $25 for driver; $10 for passenger </Td> <Td> 78.9% </Td> </Tr> <P> 1 Colorado and Missouri's law is Secondary for adults but Primary for under the age of 16 . </P> <P> Idaho, North Dakota, Pennsylvania, Vermont and Virginia's law is Secondary for adults but Primary for under 18 . </P> <P> Kansas, Maryland, and New Jersey, law is Secondary Enforcement for rear seat occupants (18 + in Kansas). These states assess points on one's driving record for the seat belt violation . In California - An additional penalty of $24 shall be levied upon every $10 or fraction thereof, of every fine, penalty, or forfeiture imposed by and collected by the court for criminal offenses, including all traffic offenses, except parking offenses as defined in subdivision (i) of Penal Code § 1463 . The additional penalty is calculated as follows: </P>

When was it made illegal to not wear a seatbelt