N.Y.C. Admin. Code § 16-328: § 16-328 Penalties.

In addition to any other applicable penalties, any producer/event manager, or any sponsor when there is no producer/event manager, who violates subdivision a or b of section 16-327 of this subchapter shall be liable for a civil penalty of one hundred dollars for each such violation, except that a sponsor or producer/event manager shall not be liable for more than five hundred dollars per day or more than two thousand dollars per street event. Such civil penalties shall be recoverable in a proceeding returnable before the environmental control board.