Notwithstanding any other provision of this chapter, the district attorney of every county, and city attorneys in those cities which have city attorneys who have jurisdiction to prosecute misdemeanors pursuant to Section 72193 of the Government Code, shall, upon their own initiative or upon application by the state department or its authorized representative, institute and conduct the prosecution of any action for violation within his or her county of any provisions of this chapter.
Ca. Health and Saf. Code § 1543