Responsible official
Responsible official means the person, or designated representative, who proposes an action and is responsible for compliance with NEPA. For larger projects, that person may not have the financial authority to approve such action. The responsible official signs the NEPA documents (FONSI, ROD) and the REC.
Source
39 CFR § 775.4
Scoping language
The definitions set forth in 40 CFR part 1508 apply to this part 775.