New York Consolidated Laws, Real Property Actions and Proceedings Law - RPA § 1712. By whom maintainable

The special proceeding may be maintained by the general or testamentary guardian of the property of the infant, by the committee of the property of the incompetent person or the conservator of the property of the conservatee, or by any relative or other person in behalf of the infant, incompetent person, or conservatee or by an infant of the age of fourteen years or over in his own behalf.

The special proceeding may be maintained, in a case specified in subdivisions 3 and 4 of section 1711, by a person entitled to the conveyance;  and, also, in a case specified in subdivision 4 of that section, by the executor or administrator of the person who made the contract, or of a person who died seized or possessed of the real property or interest in real property, or by an heir or devisee of either of those persons, to whom the real property or interest in real property has descended or was devised.  Where the proceeding is in behalf of an infant of the age of fourteen years or over the infant shall join therein.