1. As used in this section : a. “Employer” means a person, as defined in chapter 4 , who in this state employs for wages an employee. b. “Mental health professional” means the same as defined in section 228.1 , and includes all of the following: (1) Individuals who are completing their supervisory requirement under a temporary license. (2) Licensed master social workers with a current and active supervision plan on file with the board of behavioral health professionals. 2. An employer shall not enter into an agreement with a licensed mental health professional that limits the location at which the licensee may practice, prohibits the licensee from contacting for professional services a person previously treated by the licensee, or imposes a time restriction on the practice of the licensee. 3. A provision of an agreement entered into between an employer and a licensed mental health professional prior to, on, or after June 1, 2023, that is contrary to this section shall be void and unenforceable. 2023 Acts, ch 120, §1, 2 ; 2024 Acts, ch 1170, §491