Any rental agreement or renewal of a rental agreement for a residential rental unit in the City of Vancouver entered into after the effective date of the ordinance shall include or shall be deemed to include a provision requiring a minimum of forty-five (45) days prior written notice whenever the periodic or monthly housing costs to be charged a tenant is to increase by ten (10) percent or more over the periodic or monthly rental rate charged the same tenant for the same housing unit and same services for any period or month during the preceding twelve (12) month period. (Ord. M-4135 §3, 2015)