CFR›Title 32›Subtitle B›Chapter XIX›Part 1907›Subject Group Action on Challenges ContainsSections § 1907.21–§ 1907.26CorpusDaily eCFRDisplayed edition2026-09-03Last updated2026-09-03 Sections § 1907.21 § 1907.21 Exceptions. § 1907.22 § 1907.22 [Reserved] § 1907.23 § 1907.23 Designation of authority to hear challenges. § 1907.24. § 1907.24. Initial determination. § 1907.25 § 1907.25 Action on appeal of initial Agency determination. § 1907.26 § 1907.26 Prohibition on adverse action.