ยง  2851.  Age  not  to  be bar to employment by public authorities. No
  public  authority  shall  hereafter  prohibit,  prevent,  disqualify  or
  discriminate  against  any  person  applying  for  employment  by,  such
  authority, who is physically and mentally qualified, or from  competing,
  participating  or registering for a position, or be penalized in a final
  rating for any position, by reason of his or her age. Any existing rule,
  regulation, penalty or requirement resolution preventing the  hiring  of
  persons  because  of  age  shall  be  void,  except  that nothing herein
  contained, shall prevent any public authority from  adopting  reasonable
  minimum  or  maximum  age  requirements  for  positions  such  as police
  officer,  firefighter,  guard   or   other   positions   which   require
  extraordinary physical effort except where age limits for such positions
  are already prescribed by law.
Notwithstanding  any  provisions  to  the  contrary,  no person who is
  physically or mentally qualified may be  disqualified  from,  competing,
  participating  or  registering  for  a  promotional  examination  or  be
  penalized in a final rating or barred from promotion after having passed
  such promotion examination by reason of his or her age,  by  any  public
  authority.
Structure New York Laws
Article 9 - General Provisions
Title 3 - Employees of Public Authorities
2850 - Transfer of Authority Officers and Employees.
2850-A - Emergency Service Volunteers; Paid Leave.
2851 - Age Not to Be Bar to Employment by Public Authorities.
2852 - Senate Confirmation of Certain Chief Executive Officers.