Conn. Gen. Stat. § 9-359: Absentee ballots.

Any (1) person who executes an absentee ballot for the purpose of informing any other person how he votes, or procures any absentee ballot to be prepared for such purpose, (2) municipal clerk or moderator, elector appointed to count any absentee ballot or other person who wilfully attempts to ascertain how any elector marked his absentee ballot or how it was cast, (3) person who unlawfully opens or fills out, except as provided in section 9-140a with respect to a person unable to write, any elector's absentee ballot signed in blank, (4) person designated under section 9-140a who executes an absentee ballot contrary to the elector's wishes, or (5) person who wilfully violates any provision of chapter 145, shall be guilty of a class D felony.