N.Y. Comp. Codes R. & Regs. tit. 10 § 710.9
Upon completion of the project or each phase of a mega-project as set forth in the commissioner's letter of approval, an onsite inspection of the construction and equipment will be made to assure that such are in accordance with the prior approval of the commissioner. The applicant shall notify the area administrator requesting such inspection two months prior to the anticipated completion date. Based upon the final onsite inspection report of the Bureau of Architectural and Engineering Review indicating that the construction is acceptable as completed, a preopening survey shall be conducted by the area office. After the completion of the preopening survey, the area administrator shall, by writing, advise the applicant, if the results of the survey are acceptable, that the premises so inspected may be occupied. In addition, if applicable, the department shall issue an operating certificate consistent with the findings of the preopening survey.
N.Y. Comp. Codes R. & Regs. Tit. 10 § 710.9