N.Y. Surr. Ct. Proc. Act § 1806

§ 1806. Allowance or rejection of claims\n 1. Every fiduciary shall promptly give notice in writing to the\nclaimant of the allowance of the claim or of its rejection or of the\nrejection of some part thereof which he specifies.\n 2. A notice rejecting a claim in whole or in part shall state the\nreasons therefor.\n 3. If the fiduciary shall fail to allow the claim within 90 days from\nthe date that it has been presented to him, the claim shall be deemed to\nhave been rejected.\n 4. If a claim has been allowed pursuant to the terms of this section,\nprocess may issue to the fiduciary requiring the fiduciary to show cause\nwhy the petitioner's claim should not be paid. The court may dismiss the\npetition or direct payment or satisfaction of the claim in whole or in\npart and may require a refunding bond.\n