Amending Chapter 6-800 of The Philadelphia Code, entitled "Lead Paint Disclosure," to require a certification that a property is lead free or lead safe before it may be rented to a tenant; amending Chapter PM-102.0, entitled "Licensing," to require landlord certification of compliance with certain provisions of Chapter 6-800 as a condition of receipt of a housing inspection license; and making technical changes; all under certain terms and conditions. — Open Common Ground