§ 465. Effect of denial of support in action for separation. After
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.