2006 New York Code - Watchers.

 
    §  5-206.  Watchers.  1. Each political party or independent body duly
  nominating or entitled to nominate candidates for offices to  be  filled
  at the election may, by a writing signed by the duly authorized chairman
  or  secretary  of  the  county,  city, town or village committee of such
  political party or independent body, and delivered to and filed with one
  of the inspectors of election, appoint not more  than  two  watchers  to
  attend  any  meeting  or  meetings  of  the  inspectors  for an election
  district held for the registration of voters thereof.
    2. Each watcher must be a qualified voter of the  city  or  county  in
  which  he  is  to  serve.  Such watchers may be present at such place of
  registration from at least fifteen minutes before  the  commencement  of
  such  meeting  until  after the completion of the duties of the board of
  inspectors for that day of registration. Any  watcher  may  examine  any
  challenge list furnished by the board of elections.