N.Y. Comp. Codes R. & Regs. tit. 21, § 2602.2
(a) Terms used in this Part or to be used in complying with this Part have the following meanings:
(5) Allowable costs are all costs of a project which the corporation determines are:
(8) Commencement of construction means the date that:
(10) Completion of construction means the date that:
(23) Environmentally significant project (ESP) means a project that the commissioner has determined to be environmentally significant. In so designating an ESP, the commissioner shall consider all relevant factors, which shall include, but need not be limited to, an assessment of:
(45) Linked loan recipient means any person which is: