N.Y. Civil Practice Law & Rules § 1004: When joinder unnecessary

§ 1004. When joinder unnecessary. Except where otherwise prescribed by

order of the court, an executor, administrator, guardian of the property

of an infant, committee of the property of a judicially declared

incompetent, conservator of the property of a conservatee, trustee of an

express trust, insured person who has executed to his insurer either a

loan or subrogation receipt, trust agreement, or other similar

agreement, or person with whom or in whose name a contract has been made

for the benefit of another, may sue or be sued without joining with him

the person for or against whose interest the action is brought.