(a) For Departmental Purposes. Subject to any limitations imposed upon a specific proprietary board in this Article, each board shall have the power to grant and set the terms and conditions for any franchise, concession, permit, license, or lease concerning any property under its control that will further Departmental Purposes or anything incidental to those purposes and, with respect to the Harbor Department, will not be inconsistent with any trust upon lands held by the City.
(b) For Non-Departmental Purposes. The board of each Proprietary Department shall have the power to grant a license or to enter into a lease concerning property under its control for purposes other than Departmental Purposes, if the board finds in writing that:
(1) the property to be licensed or leased is not presently needed for Departmental Purposes;
(2) the grant of the license or lease will not interfere with Departmental Purposes; and
(3) with respect to the Harbor Department, the license or lease is not inconsistent with any trust upon lands held by the City.