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Regulations last checked for updates: May 23, 2025

Title 19 - Customs Duties last revised: May 14, 2025
All TitlesTitle 19Chapter IPart 177Subpart A - Subpart A—General Ruling Procedure
  • § 177.1 - General ruling practice and definitions.
  • § 177.2 - Submission of ruling requests.
  • § 177.3 - Nonconforming requests for rulings.
  • § 177.4 - Oral discussion of issues.
  • § 177.5 - Change in status of transaction.
  • § 177.6 - Withdrawal of ruling requests.
  • § 177.7 - Situations in which no ruling will be issued.
  • § 177.8 - Issuance of rulings.
  • § 177.9 - Effect of ruling letters.
  • § 177.10 - Publication of decisions.
  • § 177.11 - Requests for advice by field offices.
  • § 177.12 - Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions.
  • § 177.13 - Inconsistent CBP decisions.
authority: 5 U.S.C. 301; 19 U.S.C. 66,1202,Harmonized,1502,1624,1625
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