MS SB2594

Defines "sex" as biological sex observed or clinically verified at birth, and defines "male" and "female" based on reproductive system characteristics.

Requires all restrooms and changing rooms in correctional facilities accessible by multiple incarcerated individuals to be designated for use by members of one sex only.

Requires all sleeping quarters in correctional facilities housing multiple incarcerated individuals to be designated for use by members of one sex only.

Prohibits incarcerated individuals from entering or being housed in restrooms, changing rooms, or sleeping quarters designated for the opposite sex, with exceptions for custodial/maintenance work, medical assistance, emergencies, and temporary facility-directed access without overnight housing.

Takes effect July 1, 2024.