Me. Rev. Stat. tit. 22, § 1832

A hospital licensed under this chapter shall, on an annual basis, adopt a safety and security plan to protect the patients, visitors and employees of the hospital from aggressive and violent behavior. The safety and security plan must include a process for hospitals to receive and record incidents and threats of violent behavior occurring at or arising out of employment at the hospital. The safety and security plan must prohibit a representative or employee of the hospital from interfering with a person making a report as provided in the plan.