New York State - Penal - PEN - Part 3 - Title L - Article 210 - Section 210.50
§ 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.
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.