Rule 4536. Proof of writing by comparison of handwriting. Comparison\nof a disputed writing with any writing proved to the satisfaction of the\ncourt to be the handwriting of the person claimed to have made the\ndisputed writing shall be permitted.\n
Proof of writing by comparison of handwriting
N.Y. Civil Practice Law & Rules Law § 4536, under Evidence.
N.Y. Civil Practice Law & Rules Law § 4536