The facility shall submit to the local political jurisdiction, the department, and department field office with jurisdiction over the citizen convenience center written notice of intent to permanently close the facility at least 180 days before closure. Closure shall be in conformance with the closure plan pursuant to 106.4(1)"k" and shall not be official until the department field office has given written certification of the completion of the closure plan and the following activities:
Iowa Admin. Code r. 567-106.7