§ 224. Attornment by tenant. The attornment of a tenant to a stranger is absolutely void and does not in any way affect the possession of the landlord unless made either: 1. With the consent of the landlord; or, 2. Pursuant to or in consequence of a judgment, order, or decree of a court of competent jurisdiction; or 3. To a purchaser at foreclosure sale.
Attornment by tenant
N.Y. Real Property Law § 224, under Landlord and Tenant.
N.Y. Real Property Law § 224