N.Y. Lab. Law § 379

§ 379. Dressing rooms. In every mercantile establishment or restaurant\nwhere more than five women are employed and in every terminal or car\nbarn where more than five women employees of a street, surface,\nelectric, subway or elevated railroad report for duty a sufficient\nnumber of dressing rooms conveniently located shall be provided for\ntheir use. All dressing rooms shall be separated from waterclosets by\npartitions, shall have adequate floor space in proportion to the number\nof employees, shall be provided with seats and with suitable means for\nhanging clothes and shall be constructed, heated, ventilated, lighted\nand maintained in accordance with the rules of the board.\n