N.Y.C. Admin. Code § 28-501.1: § 28-501.1 Permit required.

The commissioner may, in his or her discretion, when necessary in the public interest, establish a permit requirement for signs maintained in the areas described in this article in accordance with the provisions of this article and the rules of the department. On and after a date to be provided by the rules establishing such a permit requirement, and subject to the provisions of section 28-501.6 of this code, it shall be unlawful to place or maintain a sign, as defined in section 12-10 of the zoning resolution, on any building or premises unless a permit for the maintenance of such sign has been issued by the department pursuant to this article if such sign is within a distance of 900 linear feet (274 m) from and within view of an arterial highway or within a distance of 200 linear feet (60 960 mm) from and within view of a public park with an area of one half acre or more.