In the Special Governors Island District, the sign regulations shall apply as follows:

(a)        In the Northern Subdistrict, the sign regulations of a C1 District mapped within an R3-2 District shall apply.

(b)        In the Southern Subdistrict, the sign regulations of a C4 District shall apply, except that no flashing signs shall be permitted.

(c)        No signs shall be permitted on any pier within the Southern Subdistrict. However, such restriction shall not apply to informational or wayfinding signs not exceeding 25 square feet each, or to signage identifying “Governors Island” or a pier from the waterway.