Any owner who does not reside within the residential unit at the time a loud or unruly gathering occurs shall not be liable under this article if such owner has: a) included covenants within the written lease or rental agreement for the premises on which a loud or unruly gathering occurs that contain specific language prohibiting the activities described in this article; and b) demonstrated due diligence in abating an unmanageable tenant(s) or responsible person(s) for a loud or unruly gathering. Prior to September 1, 2019, owner who does not reside within the residential unit and has a written lease or rental agreement dated on or before the effective date of this section for the residential unit on which a loud or unruly gathering has occurred shall only need to demonstrate due diligence in abating an unmanageable tenant(s) or responsible person(s) for a loud or unruly gathering to not be liable under section 5-1-302 of this article. (Ord. 18-O-2756, eff. 8-17-2018)