New York Consolidated Laws, Penal Law - PEN § 210.50 Perjury and related offenses;  requirement of corroboration

In any prosecution for perjury, except a prosecution based upon inconsistent statements pursuant to section 210.20, or in any prosecution for making an apparently sworn false statement, or making a punishable false written statement, falsity of a statement may not be established by the uncorroborated testimony of a single witness.