The Commission shall publish in the Federal Register notice of any proposed change in the rules of measurement or rates of tolls referred to in section 3791 of this title. The Commission shall give interested parties an opportunity to participate in the proceedings through submission of written data, views, or arguments, and participation in a public hearing to be held not less than 30 days after the date of publication of the notice. The notice shall include the substance of the proposed change and a statement of the time, place, and nature of the proceedings. At the time of publication of such notice, the Commission shall make available to the public an analysis showing the basis and justification for the proposed change, which, in the case of a change in rates of tolls, shall indicate the conformity of the existing and proposed rates of tolls with the requirements of section 3792 of this title, and the Commission’s adherence to the requirement for full consideration of the following factors set forth in Understanding (1) incorporated in the Resolution of Ratification of the Treaty Concerning the Permanent Neutrality and Operation of the Panama Canal (adopted by the United States Senate on March 16, 1978):