Key point: Tennessee’s new law prohibits parties that develop or deploy AI systems from advertising or representing to the public that the AI systems can act as a qualified mental health professional.
On April 1, 2026, Tennessee Governor Bill Lee signed SB 1580 into law, and it will go into effect on July 1, 2026. The new law is short — less than one page — but has potentially significant consequences given that it includes a private right of action.
In the following post, we provide an overview of the new law.



