Ind. Code § 9-21-12-18
(a) Whenever a school bus or special purpose bus is transporting passengers, the school bus or special purpose bus emergency escape exits, doors, emergency exit windows, roof exits, and service doors must be free of any obstruction that:
As added by P.L.107-2006, SEC.5. Amended by P.L.113-2014, SEC.28; P.L.217-2014, SEC.65; P.L.109-2015, SEC.28.