N.Y. Comp. Codes R. & Regs. tit. 9 § 2524.2 : EXECUTIVE DEPARTMENT — Division of Housing and Community Renewal — Rent Stabilization Regulations — Rent Stabilization Code — Evictions — Termination notices

(a) Except where the ground for removal or eviction of a tenant is nonpayment of rent, no tenant shall be removed or evicted from a housing accommodation by court process, and no action or proceeding shall be commenced for such purpose upon any of the grounds permitted in section 2524.3 or 2524.4 of Part, unless and until the owner shall have given written notice to such tenant as hereinafter provided.
(b) Every notice to a tenant to vacate or surrender possession of a housing accommodation shall state the ground under section 2524.3 or 2524.4 of this Part, upon which the owner relies for removal or eviction of the tenant, the facts necessary to establish the existence of such ground, and the date when the tenant is required to surrender possession.
(c) Every such notice shall be served upon the tenant:
(1) in the case of a notice based upon section 2524.3(f) of this Part, at least 15 days prior to the date specified therein for the surrender of possession; or
(2) in the case of a notice on any other ground pursuant to section 2524.3, at least seven calendar days prior to the date specified therein for the surrender of possession, or in the case of a notice pursuant to section 2524.4(c) of this Part, at least 90 and not more than 150 days prior to the expiration of the lease term; or
(3) in the case of a notice pursuant to sections 2524.4(a) and 2524.5(a) of this Part, at least 90 and not more than 150 days prior to the expiration of the lease term, or in the case of a hotel permanent tenant without a lease, at least 90 and not more than 150 days prior to the commencement of a court proceeding; or
(4) in the case of a notice pursuant to section 2524.4(b) of this Part, at least 120 and not more than 150 days prior to the expiration of the lease term, or within 120 days of the expiration of the tenant's lease term, provided no summary proceeding can be commenced until the expiration of 120 days from the service of such notice, accompanied by a form prescribed by the DHCR advising the tenant of the penalties set forth in section 2524.4(b) of this Part for failure to use the housing accommodation for the charitable or educational purposes for which recovery is sought.
(d) All notices served pursuant to subdivision (c) of this section shall be in lieu of any notice in any lease or rental agreement providing for a lesser time for termination of tenancy.
(e) All notices served pursuant to section 2524.5(a)(2) of this Part shall state:
(1) that the owner will not renew the tenant's lease because the owner has filed an application pursuant to section 2524.5(a)(2) for permission to recover possession of all of the housing accommodations in the building for the purpose of demolishing them, for which plans and financing have been obtained, or are in the process of being obtained, as stated in the application;
(2) that while the application is pending, the tenant may remain in occupancy;
(3) that the tenant shall not be required to vacate until DHCR has issued a final order approving the application and setting forth the time for vacating, stipends and other relocation conditions; and
(4) that the tenant must be offered a prospective renewal lease if the application is withdrawn or denied.

N.Y. Comp. Codes R. & Regs. Tit. 9 § 2524.2