N.Y.C. Admin. Code § 24-252: § 24-252 Suspension or revocation of certificates or tunneling permits.

(a) The commissioner shall suspend or revoke a tunneling permit or certificate when ordered to do so by the board pursuant to subchapter eight of this chapter of this code.

(b) Suspension or revocation of a certificate or tunneling permit shall become final five days after service of notice, exclusive of the day of service, on the holder of the certificate or tunneling permit.