N.Y. Comp. Codes R. & Regs. tit. 19, § 1263.14
(c) The criteria set forth in section 6 NYCRR 617.9 and criteria included in 6 NYCRR 617.10 and this Part shall be used to determine significance with respect to actions not listed in this section. The following classification system is used in this section:
(d) This Part does not apply to actions by private persons where no non-ministerial agency action is involved. The following lists are intended to cover only actions which must be approved by the council.
(1) Type I. Type I actions or classes of direct actions that are likely to, but will not necessarily, require preparation of environmental impact statements because they will in almost every instance have a significant effect on the environment. The following are Type I actions or classes of actions:
(i) Amendments to:
(2) Type II. Type II actions or classes of direct actions that have been determined not to have a significant effect on the environment or are exempt actions, and do not require an environmental impact statements under this Part. The following are Type II actions or classes of actions: