Section 1506.9 - Filing requirements(a) Agencies shall file environmental impact statements together with comments and responses with the Environmental Protection Agency, Office of Federal Activities, consistent with the Environmental Protection Agency's procedures.(b) Agencies shall file statements with the Environmental Protection Agency no earlier than they are also transmitted to participating agencies and made available to the public. The Environmental Protection Agency may issue guidelines to agencies to implement its responsibilities under this section and § 1506.10 .(c) Agencies shall file an adoption of an environmental impact statement with the Environmental Protection Agency (see § 1506.3(b)(1) ). 85 FR 43370 , 9/14/2020; 89 FR 35554 , 7/1/2024