N.Y. Comp. Codes R. & Regs. tit. 8, § 155.8
(d) Where a board of education or board of cooperative educational services is required to convene meetings pursuant to section 807-a(5)(e) of the Education Law, the board shall:
(e) No building which is owned, operated or leased by a board of education or a board of cooperative educational services shall be occupied or otherwise used unless the building has a valid certificate of occupancy issued by the commissioner.
(3) A certificate of occupancy, a temporary certificate or a building permit may be denied or revoked for any one of the following reasons: