N.Y.C. Admin. Code § 28-207.2.5: § 28-207.2.5 Tampering.

It shall be unlawful to tamper with, remove or deface a written posted stop work order from the location where it was affixed unless and until such stop work order has been rescinded by the commissioner. The owner or other person in control of the location shall ensure that the stop work order remains posted until rescinded by the commissioner.