N.Y. Penal Law § 210.25: Perjury; defense

§ 210.25 Perjury; defense.

In any prosecution for perjury, it is an affirmative defense that the

defendant retracted his false statement in the course of the proceeding

in which it was made before such false statement substantially affected

the proceeding and before it became manifest that its falsity was or

would be exposed.