Mailed notification. At least 15 calendar days prior to the date of the hearing, the applicant shall notify, by certified mail with return receipt requested, the last known address of all property owners certified by the applicant to be the property owners within a 200-foot radius of the boundaries of the property which is the subject of the subdivision or site plan application, that such application is being filed with the City. The notice shall include the time, and place of public hearing, statement in plain language of the action requested, the name of applicant, and location of application (address). The applicant shall provide proof of the notification to the City Planner at least seven calendar days prior to the scheduled public meeting or hearing.