Construction of article

(A) Nothing in this article may be construed to prohibit public schools or public institutions of higher learning from adopting policies necessary to accommodate disabled persons protected under the Americans with Disabilities Act, elderly persons requiring aid, or young children in need of physical assistance when using restrooms or changing facilities. (B) Nothing in this article may be construed to prohibit public schools or public institutions of higher learning from establishing single-occupancy restrooms, changing facilities, or sleeping quarters, or family restrooms, changing facilities, or sleeping quarters. (C) Nothing in this article may be construed to prohibit public schools or public institutions of higher learning from redesignating a multioccupancy restroom, changing facility, or sleeping quarters designated for exclusive use by one sex to a designation for exclusive use by the opposite sex, on either a permanent basis or temporary or event-based basis.