You need a reservation in case you might want to use a bathroom. Otherwise burst bladders.
𝘠𝘰𝘶 𝘯𝘦𝘦𝘥 𝘢 𝘳𝘦𝘴𝘦𝘳𝘷𝘢𝘵𝘪𝘰𝘯 𝘪𝘯 𝘤𝘢𝘴𝘦 𝘺𝘰𝘶 𝘮𝘪𝘨𝘩𝘵 𝘸𝘢𝘯𝘵 𝘵𝘰 𝘶𝘴𝘦 𝘢 𝘣𝘢𝘵𝘩𝘳𝘰𝘰𝘮. 𝘖𝘵𝘩𝘦𝘳𝘸𝘪𝘴𝘦 𝘣𝘶𝘳𝘴𝘵 𝘣𝘭𝘢𝘥𝘥𝘦𝘳𝘴.
If I’m not mistaken, both public urination, and public defecation have been permissible in New York City for a few years now.