Section 8-500. Watchers; provision for

1. At any general, special, town or
  village  election,  any  party  committee  or  independent  body   whose
  candidates  are upon the ballot, and at any primary election, any two or
  more candidates and any political committee may have for  each  election
  district  three  watchers at any one time, not more than one of whom may
  be within the guard rail at any one time. Watchers shall be appointed by
  the chairman of any such party, committee or independent body or by  the
  candidates.
    2.  Watchers  may  be  present  at  the polling place at least fifteen
  minutes before the unlocking and examination of any  voting  machine  or
  ballot  box  at the opening of the polls, until after the signing of the
  inspectors' returns and proclamation of the result.
    3. The appointment  of  watchers  for  any  election  shall  be  by  a
  certificate  in  writing  issued  by  the  chairman  or secretary of the
  political party or independent body, or the candidates. Such certificate
  shall be delivered to an inspector at the election district.
    4. Each watcher must be a qualified voter of the  city  or  county  in
  which he is to serve.