N.Y.C. Admin. Code § 28-204.1.2: § 28-204.1.2 Notice of violating conditions outside of occupied dwelling units.

An owner must post a copy of a notice of violation that relates to a violating condition outside of an occupied dwelling unit, including in a common area or affecting all residents, of such owner's building in a conspicuous manner in the building's lobby until such violation has been closed. In addition, such owner shall post a flyer or pamphlet, created by the department, with information about the adjudication process. Such notice of violation and flyer or pamphlet shall be posted as soon as practicable, but no later than five calendar days after it has been served.

(L.L. 2019/110, 6/8/2019, eff. 12/5/2019)