2010 New York Code
ELN - Election
Article 3 - ELECTION OFFICIALS
Title 2 - (3-200 - 3-226) BOARD OF ELECTIONS
3-202 - Election commissioners; term of office.

§ 3-202. Election commissioners; term of office. 1. The term of office
  of  an  election commissioner shall be two years beginning January first
  of each odd numbered year except that in the city of New  York  and  the
  county  of Schenectady the term shall be four years beginning on January
  first of each alternate odd numbered year. The county  legislative  body
  of  any  other  county may determine that the commissioners of elections
  thereafter appointed  shall  serve  for  a  term  of  four  years.  Such
  determination  may  be  rescinded  by  a subsequent action of the county
  legislative body which shall take effect at the expiration of the  terms
  of the commissioners then in office.
    2.  The  local  legislative  body may, at any time, determine that the
  terms of office for  commissioners  shall  be  staggered  and  may  make
  subsequent  appointments  so as to provide for staggered terms of office
  thereafter.