; (2) are consistent with international law and facilitate international cooperation; (3) in the case of incomplete data, use customary methods of interpolation that favor enhanced mitigation and facilitate international cooperation; (4) avoid the double pricing of greenhouse gas emissions; and (5) harmonize the border carbon fee adjustment with the domestic carbon fee so as to ensure all covered fuels used in the United States are subject to the carbon fee. (d) Schedule The Secretary shall— (1) begin implementation the border carbon fee adjustment for covered fuels at the same time as the implementation of the carbon fee; and (2) begin implementation of the border carbon fee adjustment for carbon-intensive products within two years of the date of the enactment of the Energy Innovation and Carbon Dividend Act of 2023 . (e) Procedure The Secretary shall— (1) establish fair, timely, impartial, and as necessary confidential procedures by which the importer of any carbon-intensive product or any covered fuel may petition the Secretary to revise the Secretary’s determination of its border carbon fee adjustment liability calculated under section 9908(c)(1); (2) establish fair, timely, impartial, and as necessary confidential procedures by which any exporter of any product from the United States may petition the Secretary to include that exported product on the list of carbon-intensive products