N.Y. Civ. Rights Law § 14

§ 14. Jurors not to be questioned for verdicts. A juror shall not be\nquestioned, and is not subject to an action, or other liability civil or\ncriminal, for a verdict rendered by him, in an action in a court of\nrecord, or not of record, or in a special proceeding before an officer,\nexcept by indictment, for corrupt conduct, in a case prescribed by law.\n