N.Y.C. Admin. Code § 28-401.20: § 28-401.20 Cooperation required.

Any person, including any corporation, partnership, business or other entity, issued a license or certificate of competence by the department shall, pursuant to a request or order of the commissioner or any other city agency or office, cooperate fully and completely with respect to any department or city agency or office investigation. Evidence of cooperation shall include, but is not limited to, appearing before the department or other city agency or office, answering questions completely and accurately, and providing any and all requested documents. Failure to comply with such request or order may subject such person to disciplinary measures authorized by law, including but not limited to suspension or revocation of the license or certificate of competence.