2012 New York Consolidated Laws
LAB - Labor
Article 7 - (200 - 219-C) GENERAL PROVISIONS
206-B - Employment of females after child-birth prohibited.

 
    § 206-b. Employment of females after child-birth prohibited. No owner,
  manager, foreman or other person in authority in a factory or mercantile
  establishment  shall  knowingly  employ  a  female,  or permit her to be
  employed therein, within four weeks after  she  has  given  birth  to  a
  child;  provided,  however,  that  any  owner, manager, foreman or other
  person in authority of such establishment may employ a female or  permit
  her  to be employed within a lesser period after having given birth to a
  child if she presents to such person, (i) a written statement expressing
  her desire for earlier employment  and  (ii)  a  written  opinion  of  a
  qualified  physician  that  she  is  physically  and mentally capable of
  discharging the duties of her employment.