N.Y. Retire. & Soc. Sec. Law § 147

§ 147. Separability clause. If any clause, sentence, paragraph,\nsubdivision, section or part of this article shall be adjudged by any\ncourt of competent jurisdiction to be invalid, such judgment shall not\naffect, impair or invalidate the remainder thereof, but shall be\nconfined in its operation to the clause, sentence, paragraph,\nsubdivision, section or part of this article directly involved in the\ncontroversy in which such judgment shall have been rendered.\n