Ohio Rev. Code § 4772.24: Enforcement.

The secretary of the state medical board shall enforce the laws relating to the practice of certified mental health assistants. If the secretary has knowledge or notice of a violation of this chapter or the rules adopted under it, the secretary shall investigate the matter, and, upon probable cause appearing, file a complaint and prosecute the offender. When requested by the secretary, the prosecuting attorney of the proper county shall take charge of and conduct the prosecution.