Section 409 - School building regulations in relation to health and safety1. All school buildings of common, union free, central, central high school and city school districts other than city school districts of cities having one hundred twenty-five thousand inhabitants or more and boards of cooperative educational services shall comply with such regulations as the commissioner shall adopt from time to time for the purpose of insuring the health and safety of pupils and staff in relation to proper heating, lighting, ventilation, sanitation and health, fire and accident protection.2. Notwithstanding the provisions of any other law, rule or regulation, tobacco use shall not be permitted and no person shall use tobacco on school grounds. "School grounds" means any building, structure and surrounding outdoor grounds, including entrances or exits, contained within a public or private pre-school, nursery school, elementary or secondary school's legally defined property boundaries as registered in a county clerk's office.