N.Y.C. Admin. Code § 28-216.8.1: § 28-216.8.1 Work by the department.

Upon receiving a precept under the provisions of section 28-216.7.2, the commissioner shall execute such precept, as therein directed, and may employ such labor and assistance and furnish such materials as may be necessary for that purpose. The commissioner shall direct the commissioner of citywide administrative services or the department of housing preservation and development or other authorized agency to perform work in accordance with the precept. Such work shall be performed by or under the direction of citywide administrative services in accordance with the provisions of section 4-204 of the administrative code, or the department of housing preservation and development, or such other authorized agency.