N.Y.C. Admin. Code § 28-217.1.1: § 28-217.1.1 Structural inspections of potentially compromised buildings or structures.

When a building or structure has become potentially compromised, the owner is required to have a structural inspection performed. Such inspection shall be performed within 60 days of the opening of the roof, or within 60 days of the onset of any of the conditions listed in section 28-217.1. A report of such inspection shall be filed with the department within 30 days thereafter in such form and detail and with provision for periodic monitoring of the building or structure as the commissioner may require.