CFR›Title 49›Subtitle B›Chapter X›Part 1103 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 1103—PRACTITIONERS Subparts A Subpart A—General Information Sections 1103.1–1103.5 B Subpart B—Canons of Ethics Section 1103.10; Subject groups The Practitioner's Duties and Responsibilities Regarding Witnesses, Other Litigants and the Public–The Practitioner's Duties and Responsibilities Toward the Board Authority21 U.S.C. 862; 49 U.S.C. 1303(c), 1321.Source47 FR 49549, Nov. 1, 1982, unless otherwise noted. Previous 1102 Part 1102—Communications Next 1104 Part 1104—Filing with the Board-Copies-Verification-Service-Pleadings, Generally