Code of Federal Regulations Title 43. Public Lands:  Interior § 43.10010.9 Apply NEPA early

(a) The Commission will initiate early consultation and coordination with other Federal agencies having jurisdiction by law or special expertise with respect to any environmental impact involved, and with appropriate Federal, State, local and Indian tribal agencies authorized to develop and enforce environmental standards.

(b) The Commission will also consult early with interested private parties and organizations, including when the Commission's own involvement is reasonably foreseeable in a private or non-Federal application.

(c) The Commission will insure that applicants are informed of any environmental information required, to be included in their applications and of any consultation with other Federal agencies, and State, local or Indian tribal governments required prior to making the application.