N.Y.C. Admin. Code § 25-103: § 25-103 Borough presidents' assistance in completing city map.

The city planning commission, with the approval of the mayor, may at any time require the president of any borough to make recommendations for the completion of the city map of the whole or of a part of the territory for which the city map shall not at such time have been finally established and adopted and to report the same to the commission within a fixed and specified time.