Alabama has proposed legislation that would require restroom attendants to monitor all mixed-gender facilities, including gender-neutral bathrooms in Senate Bill 1.
http://www.salon.com/2017/01/10/here-come-the-bathroom-police-alabama-is-coming-after-target-by-tapping-attendants-to-monitor-trans-inclusive-restrooms/
https://legiscan.com/AL/bill/SB1/2017