(a) Under this part, a complaint or other document is considered filed on the date it is mailed, electronically submitted, or personally delivered to the specified official or office.

(b) A complaint may be withdrawn at any time at the request of the complainant.

(c) Absent exceptional circumstances, all submissions to the Office of Hearings and Appeals must be filed electronically in accordance with the instructions set forth on the Office of Hearings and Appeals website, found at https://www.energy.gov/oha/filing-information. The Office of Hearings and Appeals may grant permission to file via mail or facsimile.