The Nuclear Regulatory Commission is authorized to license the distribution of special nuclear material, source material, and byproduct material by the Department of Energy pursuant to section 2074, 2094, and 2112 of this title, respectively, in accordance with the same procedures established by law for the export licensing of such material by any person: Provided, That nothing in this section shall require the licensing of the distribution of byproduct material by the Department of Energy under section 2112 of this title.

The Department of Energy shall not distribute any special nuclear material or source material under section 2074 or 2094 of this title other than under an export license issued by the Nuclear Regulatory Commission until (1) the Department has obtained the concurrence of the Department of State and has consulted with the Nuclear Regulatory Commission and the Department of Defense under mutually agreed procedures which shall be established within not more than ninety days after March 10, 1978, and (2) the Department finds based on a reasonable judgment of the assurances provided and the information available to the United States Government, that the criteria in section 2156 of this title or their equivalent and any applicable criteria in section 2157 of this title are met, and that the proposed distribution would not be inimical to the common defense and security.