N.Y.C. Admin. Code § 28-216.8.4: § 28-216.8.4 Interference prohibited.

It shall be unlawful for any person to interfere, obstruct or hinder the commissioner or the commissioner of citywide administrative services, housing preservation and development, or other authorized agency, or any person who, acting under the authority conferred on such person by such commissioner, is performing the work authorized by a precept issued out of any court or modified in accordance with section 28-216.8.3, or the work ordered by the commissioner in accordance with such precept under the provisions of section 28-216.8.3.3.