N.Y.C. Admin. Code § 28-104.7.1: § 28-104.7.1 Scope.

Construction documents shall be complete and of sufficient clarity to indicate the location and entire nature and extent of the work proposed, and shall show in detail that they conform to the provisions of this code and other applicable laws and rules; if there exist practical difficulties in the way of carrying out the strict letter of the code, laws or rules, the applicant shall set forth the nature of such difficulties.