Section 11. Preemption of local ordinances.
(a) General rule.--Except as set forth in subsection (b), the following apply:
(1) This act shall supersede any ordinance, resolution or regulation adopted by a political subdivision concerning smoking in a public place.
(2) No political subdivision shall have the authority to adopt or enforce any ordinance, regulation or resolution which is in conflict with this act.
(b) Exception.--Subsection (a) shall not apply to a city of the first class. A city of the first class may not change or amend its ordinance to conflict with any provision of this act.