40 C.F.R. § 6.301 – Applicant requirements.

(a) The applicant must prepare an EID in consultation with the Responsible Official, unless the Responsible Official has notified the applicant that an EID is not required. The EID must be of sufficient scope and content to enable the Responsible Official to prepare an EA and FONSI or, if necessary, an EIS and ROD. The applicant must submit the EID to the Responsible Official.
(b) The applicant must consult with the Responsible Official as early as possible in the planning process to obtain guidance with respect to the appropriate level and scope of environmental information required for the EID.
(c) As part of the EID process, the applicant may consult with appropriate federal agencies, state and local governments, federally-recognized Indian tribes, and other potentially affected parties to identify their interests in the project and the environmental issues associated with the project.
(d) The applicant must notify the Responsible Official as early as possible of other federal agency, state or local government, or federally-recognized Indian tribe requirements related to the project. The applicant also must notify the Responsible Official of any private entities and organizations affected by the proposed project. (See 40 CFR 1501.2(d)(2).)
(e) The applicant must notify the Responsible Official if, during EPA's environmental review process, the applicant:
1. (1) Changes its plans for the project as originally submitted to EPA; and/or
2. (2) Changes its schedule for the project from that originally submitted to EPA.
(f) In accordance with § 6.204, where appropriate, the applicant may request a categorical exclusion determination by the Responsible Official. If requested by the Responsible Official, the applicant must submit information to the Responsible Official regarding the application of a categorical exclusion to EPA's pending action and the applicant's project.