(3)   Department of Licenses & Inspections.
(a)   The Department of Licenses & Inspections ("L&I") has the power and duty of administering and enforcing the provisions of this Zoning Code, with the exception of those provisions relating to the approval of land subdivisions (see § 14-304(7) (Subdivisions and Subdivision Plats)) and any powers specifically granted to another department, agency, board, or commission of the City under this Zoning Code.
(b)   No permit, certificate, license, or document relating to the use of property which is subject to the provisions of this Zoning Code shall be issued by any other department, agency, board, or commission of the City until L&I shall have certified that the use to be made of the property is in full compliance with the provisions of this Zoning Code.
(c)   L&I shall administer and enforce the requirement that a use registration permit be obtained for every new use commenced on any land or in any structure, except for a single-family use.
(d)   L&I shall administer and enforce the requirement that a zoning permit shall be obtained for every new structure or alteration or addition to an existing structure that results in a change to gross floor area commenced on any land within the City.
(e)   L&I shall issue a zoning permit or use registration permit for a special exception only after the Zoning Board has approved the application and when all the other applicable provisions of this Zoning Code have been met.
(f)   L&I shall issue building permits and Certificates of Occupancy only after zoning permits and use registration permits required under this Zoning Code have been issued by L&I.
(g)   Upon application, L&I shall issue a certification noting the zoning district classifications of any property and the current zoning status of that property as shown by the official zoning map and records of L&I.
(h)   L&I is authorized to promulgate such regulations as are necessary and appropriate to implement the provisions of the Zoning Code. Any administrative manual or any other advisory publication prepared as a guide for this Zoning Code shall be posted on the City's website and shall not be binding, unless promulgated in accordance with the provisions of Section 8-407 of The Philadelphia Home Rule Charter.