Ordinance amending the Administrative Code, Building Code, Business and Tax Regulations Code, and Planning Code to clarify the ministerial approval process for certain Accessory Dwelling Units (ADUs) meeting certain requirements in single-family and multifamily buildings; affirming the Planning Department’s determination under the California Environmental Quality Act; making findings of consistency with the General Plan and the eight priority policies of Planning Code, Section 101.1; and adopting findings of public necessity, convenience, and welfare under Planning Code, Section 302.