N.Y. Real Prop. Acts. Law § 235-e

§ 235-e. Duty of landlord to provide written receipt. (a) Upon the\nreceipt of rent for residential premises in the form of cash or any\ninstrument other than the personal check of the tenant, it shall be the\nduty of the landlord to provide the payor with a written receipt\ncontaining the following:\n 1. The date;\n 2. The amount;\n 3. The identity of the premises and period for which paid; and\n 4. The signature and title of the person receiving the rent.\n (b) Where a tenant, in writing, requests that a landlord provide a\nreceipt for rent paid by personal check, it shall be the duty of the\nlandlord to provide the payor with the receipt described in subdivision\n(a) of this section for each such request made in writing.\n