The provisions of this section shall not apply to any such child who is: (1) riding as a passenger in a school bus (2) riding as a passenger in a motor vehicle made before July first, nineteen hundred and sixty-six, that is not equipped with safety belts (3) physically unable to use either a conventional child passenger restraint or a child restraint specifically designed for children with special needs provided, however, that such condition is duly certified in writing by a physician who shall state the nature of the disability as well as the reasons such restraints are inappropriate provided, further, that no such certifying physician shall be subject to liability in a civil action for the issuance of or for the failure to issue such certificate. Unless required to be properly fastened and secured by a child passenger restraint under the preceding paragraph, a passenger in a motor vehicle on any way that is under the age of 13 shall wear a safety belt which is properly adjusted and fastened according to the manufacturer's instructions.

The child passenger restraint shall be properly fastened and secured according to the manufacturer's instructions. A passenger in a motor vehicle on any way who is under the age of 8 shall be fastened and secured by a child passenger restraint, unless such passenger measures more than 57 inches in height. Section 7AA: Child passenger restraints fine violation as evidence in civil action

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