54 U.S.C. § 304107

No officer or agency of the United States shall have any authority to require the Council to submit its legislative recommendations, or testimony, or comments on legislation to any officer or agency of the United States for approval, comments, or review, prior to the submission of the recommendations, testimony, or comments to Congress. When the Council voluntarily seeks to obtain the comments or review of any officer or agency of the United States, the Council shall include a description of the actions in its legislative recommendations, testimony, or comments on legislation that it transmits to Congress.