CFR›Title 49›Subtitle B›Chapter V›49 CFR Part 551 Citation49 CFR Part 551ContainsSubparts Subpart A–Subpart DCorpusDaily eCFRDisplayed edition2026-09-15Last updated2026-09-15 PART 551—PROCEDURAL RULES Subparts Subpart A Subpart A—General Subpart B Subpart B [Reserved] Subpart C Subpart C—Submittals in Writing Subpart D Subpart D—Service of Process on Foreign Manufacturers and Importers AuthoritySecs. 110(e), 119, 80 Stat. 719, 728 (15 U.S.C. 1399, 1407); 23 U.S.C. 315, 401-404; delegation of authority, 31 FR 13952, 32 FR 5606.Source33 FR 19700, Dec. 25, 1968, unless otherwise noted. Redesignated at 35 FR 5118, Mar. 26, 1970.