18 CFR § 5.25 - Applications requiring a draft NEPA document.
(a) If the Commission determines that a license application will be processed with an environmental impact statement, or a draft and final environmental assessment, the Commission will issue the draft environmental impact statement or environmental assessment for comment no later than 180 days from the date responses are due to the notice of acceptance and ready for environmental analysis provided for in § 5.22.
(b) Each draft environmental document will include for comment draft license articles, a preliminary determination of the consistency of each fish and wildlife agency recommendation made pursuant to section 10(j) of the Federal Power Act with the purposes and requirements of the Federal Power Act and other applicable law, as provided for in § 5.26, and any preliminary mandatory terms and conditions and fishways prescriptions.
(c) Comments on a draft environmental document issued pursuant to paragraph (b) of this section, including comments in response to the Commission's preliminary determination with respect to fish and wildlife agency recommendations and on preliminary mandatory terms and conditions or prescriptions must be filed no later than 30 or 60 days after issuance of the draft environmental document, as specified in the notice accompanying issuance of the draft environmental document.
(d) Modified mandatory prescriptions or terms and conditions must be filed no later than 60 days following the date for filing of comments provided for in paragraph (c) of this section.
(e) The Commission will issue a final environmental document within 90 days following the date for filing of modified mandatory prescriptions or terms and conditions.