New proposals In addition to the report described in subsection (a), the Corporation shall submit to Congress a special report whenever there is proposed a new feature, facility, design, or phase of the Corporation involving an estimated value exceeding $1,000,000, that shall include justification for the new feature, facility, design, or phase. (2) Progress reports The Corporation shall submit reports upon the request of the Board of Directors, the President, or Congress regarding progress of the undergoing of the Corporation, including financial reports regarding expenses or revenues, extreme weather patterns in the Arctic region, or reports as determined necessary by Congress. Such reports shall be submitted not later than 180 days after the date of the initial request. (3) Environmental impact reports The Board of Directors may direct the Corporation to compile detailed reports regarding the environmental impact of increased marine shipping within the Arctic region. Such reports shall be submitted not later than 180 days after the date of the initial request from the Board of Directors. 8. The role of the Department of State in facilitating international engagement (a) Promoting international cooperation The Secretary of State shall undertake a leadership role in engaging in multilateral dialogues with fellow member and observer nations of the Arctic Council with the intention of encouraging cooperation in providing coordinated services for shipping in the Arctic Ocean and its approaches. The Corporation shall encourage synergistic relationships with the fellow member and observer nations of the Arctic Council in order to establish fair and reasonable tolls and, where applicable, joint facilities, as described in section 5. (b) International fees and tolls The Corporation is hereby authorized and instructed to waive fees and tolls as necessary for international cooperation.