N.Y. Debtor & Creditor Law § 136

§ 136. Creditor may notify debtor to apply for discharge. Where a\nperson has been imprisoned by virtue of an execution, for the space of\nthree months after he was entitled, by the provisions of this article,\nto apply for a discharge; and has neither made such an application, nor\napplied for his discharge under the provisions of article third of this\nchapter; the judgment creditor, by virtue of whose execution he is\nimprisoned, may serve upon the prisoner a written notice, requiring him\nto apply for his discharge, according to the provisions of this article.\n