A notice delivered by a landlord to a commercial tenant when the landlord's interest in New York real property is sold to a third party. This Standard Document informs each tenant of the change in ownership in the property, the assignment of the lease to the purchaser, the new landlord's name and address, the transfer of any security deposit, and where rental payments are to be sent going forward. This Standard Document has integrated notes with important explanations and drafting and negotiating tips for both sellers and purchasers.