N.Y. Ct. Cl. Act § 15
In the event of the death of the claimant or of one of the claimants named in a claim of any nature against the state, heretofore or hereafter filed in the court of claims, and also in the event that by assignment or by operation of law, some person other than the claimant named in the claim has succeeded to the interest of one of the claimants named in such a claim, it shall be the duty of the personal representative of said claimant or of the person who succeeded claimant in interest to said claim or any interest therein within six months after he becomes invested with the title to said claim or any interest therein, to secure from the court of claims and serve upon the attorney-general an order substituting him as party to said claim instead of the party named in said claim, to whose right, title and interest he has succeeded, and in the event that he fails so to do, the court of claims on motion of the attorney-general, on such notice as the court may require, to all parties who have appeared in said action or proceeding or to the assignee or successor of the claimant may dismiss said claim.
N.Y. Court of Claims Law § 15