N.Y. Real Property Actions & Proceedings Law § 1747

§ 1747. When reversionary estates to be included in sale. When the\ninterest of the infant, incompetent person or conservatee, consists of a\nright of dower or an estate for life, or for years, the judgment may\nauthorize the guardian, committee or conservator to join, with the\nperson or persons holding the reversionary estate, in a conveyance of\nthe property to which the interest attaches, so as to release the right\nof dower, or fully convey the particular estate, on receiving from the\nproceeds of the sale a gross sum in satisfaction of that interest, or a\nproportionate part of the proceeds, to be invested until the\ndetermination of the particular estate.\n