N.Y. Education Law § 3813
4. In any action for personal injuries by a passenger on a school bus against a school district, school bus operator under contract with a school district, or any agent or employee of a district or operator (including, but not limited to, bus drivers, matrons, teachers serving as chaperones and volunteers) no such person shall be held liable solely because the injured party was not wearing a seat safety belt; provided, however, that nothing contained herein shall be construed to grant immunity from liability for failure to: