CFR›Title 40›Chapter I›Part 164›Subpart B›Subject Group Prehearing Procedures and Discovery ContainsSections 164.50–164.51CorpusDaily eCFRDisplayed edition2026-07-16Last updated2026-07-16 Sections 164.50 § 164.50 Prehearing conference and primary discovery. 164.51 § 164.51 Other discovery. Previous Motions Motions Next Subpoenas and Witness Fees Subpoenas and Witness Fees