N.Y. Comp. Codes R. & Regs. tit. 14, § 622.4
(2) The criteria set forth in 6 NYCRR 617.9 shall be used to determine significance with respect to actions not listed in this section.
(i) Type I (see glossary). Actions or classes of actions that are likely to require preparation of environmental impact statements because they will in almost every instance have a significant effect on the environment.
(4) The following are Type II actions or classes of actions:
(i) The maintenance, repair, alteration, rehabilitation, or renovation of existing buildings.
(ii) The acquisition, leasing, approval, alteration or renovation of an existing structure, building or facility for the purpose of the establishment of a community residential facility for persons with developmental disabilities for no more than 14 such persons, is a Type II action when the following conditions exist:
(5) The following are considered actions that are either excluded or exempt from the SEQRA requirements of this Part.
(a) Principles of compliance.