When a project sponsor submits a completed EAF, draft or final EIS, or otherwise provides information concerning the environmental impacts of a proposed project, the project sponsor may request, consistent with the Freedom of Information Law (FOIL), article 6 of the Public Officers Law, that specifically identified information be held confidential. Prior to divulging any such information, the agency must notify the applicant of its determination of whether or not it will hold the information confidential.