https://secretchicago.com/all-single-stall-restrooms-in-illinois-must-be-labeled-gender-neutral-by-law-in-2020/
All Single-Stall Restrooms In Illinois Must Be Labeled Gender-Neutral By Law In 2020
Dec 20, 2019 - The new law will only apply to public buildings and businesses that have single-stall restrooms; those that have only one toilet, sink, and a lockable door.
single stall restroomsgender neutralby lawillinoismust
https://www.stevens.edu/student-life/office-of-student-culture-belonging/single-stall-restrooms
Single Stall Restrooms | Stevens Institute of Technology
single stall restroomsinstitute of technologystevens