N.Y.C. Admin. Code § 28-216.5: § 28-216.5 Owner abatement of unsafe or dangerous conditions.

If the person served with a notice and order pursuant to section 28-216.4 shall immediately certify his or her assent to the securing or removal of such unsafe building, structure or premises condition, such person shall be allowed a period of time as determined by the commissioner within which to commence and complete the abatement of the unsafe or dangerous condition. Such person shall employ sufficient labor and assistance to secure or remove such conditions as expeditiously as possible.