N.Y. Real Property Actions & Proceedings Law § 905: Complaint

§ 905. Complaint. The complaint shall describe the property with

reasonable certainty, specify the rights, shares and interests therein

of each of the parties, as far as the same are known to the plaintiff,

and contain any other allegation required by statute. If a party, or the

share, right or interest of a party, be unknown to the plaintiff; or if

a share, right or interest be uncertain or contingent; or if the

ownership of the inheritance depend upon an executory devise; or if a

remainder be contingent, so that the party cannot be named; such facts

shall be stated in the complaint. The complaint shall state whether the

parties own any other lands in common.