N.Y.C. Admin. Code § 28-504.1.4.2: § 28-504.1.4.2 Posting of exception letter.

The owner of such building shall post in such building any letter of exception granted by the commissioner or commissioner of transportation, including the basis or bases for the exception and, if applicable, the route to alternate off-street or indoor parking, as provided in section 28-504.1.3, or shall post a notice in the building lobby that such letter is available in the office of the building manager upon request. Either such posting shall be made within five days after receipt of such letter of exception.