N.Y. Town Law § 86
Biennial town elections in the several towns of the county of Broome, for the election of town officers and for the consideration of such questions as may be proposed by the town board or the duly qualified electors, pursuant to the provisions of this chapter, shall be held on the Tuesday next succeeding the first Monday in November of every even-numbered year. All other town elections in towns of such county are special elections. All elective town officers of the several towns in the county in office at the time this section takes effect, shall continue in office for the terms for which elected and until their successors have been elected and have qualified. The town officers to be elected at any such election shall be those and only those elective town officers of a town of the second class, unless such town shall have determined to become a town of the first class, pursuant to the provisions of this chapter, and shall be elected for terms prescribed by this chapter.
N.Y. Town Law § 86