N.Y. Election Law § 7-123
3. There shall be three envelopes for each military absentee ballot issued when the military voter's preferred method of transmission is by mail: the inner affirmation envelope into which a voter places his or her voted ballot, the outer envelope which shall be addressed to the absentee voter, and the mailing envelope which is addressed to the county board of elections. The board of elections shall furnish an inner affirmation envelope with each military ballot upon which envelope shall be printed: BALLOT FOR MILITARY VOTER AFFIRMATION I swear or affirm that: