2014 New York Laws
LAB - Labor
Article 7 - (200 - 219-C) GENERAL PROVISIONS
203-B - Seats for female employees.

  203-b.  Seats for female employees. A sufficient number of suitable
  seats, with backs where practicable, shall be provided and maintained in
  every factory, mercantile establishment, freight or passenger  elevator,
  hotel  and  restaurant  for female employees who shall be allowed to use
  the seats to such an extent as may be reasonable for the preservation of
  their health. In factories, female employees shall  be  allowed  to  use
  such  seats  whenever  they  are  engaged  in work which can be properly
  performed in a sitting posture.  In mercantile establishments, at  least
  one  seat  shall be provided for every three female employees and if the
  duties of such employees are to be performed principally in front  of  a
  counter,  table,  desk  or  fixture, such seats shall be placed in front
  thereof, or if such duties are to be performed principally  behind  such
  counter, table, desk or fixture they shall be placed behind the same.