One may not whistle in the bathroom

No person shall stand or climb on any closet, closet seat, basin, partition, or other furniture or fitting; or loiter about, or push, crowd, or otherwise act in disorderly manner; or interfere with any attendant in the discharge of his or her duties; or whistle, dance, sing, skate, or swear, or use obscene, loud, and boisterous language within any public convenience station, or at or near the entrances of a public convenience station.