After a public hearing, the district council shall establish by local law or subsequent amendment to the local law procedures for the Commission to submit, adopt, and approve a plan or part of a plan. The district council shall publish notice of the time and place of the public hearing in at least one newspaper of general circulation in the county at least 30 days before the hearing. The procedures established in accordance with subsection (a) of this section: may include requirements for submission to and approval by the district council of preliminary concepts, guidelines, goals, or plans; shall include adoption of a plan by the Commission after at least one public hearing, notice of the time and place of which shall be published in at least one newspaper of general circulation in the county at least 30 days before the hearing; may include procedures for the approval of a plan by the district council; shall include a method for the Commission to certify and file a plan in the office of the clerk of the Circuit Court of Montgomery County; and shall include provisions for the Commission to publish an adopted and approved plan.