(a) Tobacco and tobacco products are prohibited in public school and public charter school buildings, grounds, parking lots, parking garages, playing fields, school buses and other vehicles, and at off-campus, school-sponsored events.
(b) For a public charter school located in a mixed-use facility, the requirements of subsection (a) of this section shall apply only to the buildings, grounds, parking lots, garages, and fields under the control of the public charter school.