Section 465 - Effect of denial of support in action for separationAfter final adjudication of an action for separation in which the supreme court denies support to a spouse, the family court may entertain a petition and make an order for support of such spouse
(a) under section four hundred forty-two of this article if in the opinion of the family court the circumstances of the parties have changed, or(b) under section four hundred forty-five of this article if it is shown to the satisfaction of the family court that the petitioner is likely to become in need of public assistance or care.N.Y. Family Court Law § 465