CFR›Title 43›Subtitle A›Part 4›Subpart I›Subject Group Appearance and Practice ContainsSections 4.808–4.811CorpusDaily eCFRDisplayed edition2026-07-14Last updated2026-07-14 Sections 4.808 § 4.808 Participation by a party. 4.809 § 4.809 Determination of parties. 4.810 § 4.810 Complainants not parties. 4.811 § 4.811 Determination and participation of amici. Next Designation and Responsibilities of Administrative Law Judge Designation and Responsibilities of Administrative Law Judge