A. Except as provided in Subsection B below, any citizen may commence a civil action on his own behalf against any person except the township, Commonwealth or United States, or any department or agency thereof, to enforce the provisions of this article.
B. No action may be commenced under this subsection:
(1) Prior to 30 days after the plaintiff has given written notice of the alleged violation to the Health Enforcement Officer and to the alleged violator; or
(2) If the township has commenced and is diligently prosecuting a civil or criminal proceeding against the alleged violator that incorporates the citizen's cause of action.
C. For the purpose of this section, the term "citizen" means any person or persons having an interest which is or may be adversely affected.