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19 CFR 177.1 · General ruling practice and definitions.
19 CFR 177.2 · Submission of ruling requests.
19 CFR 177.3 · Nonconforming requests for rulings.
19 CFR 177.4 · Oral discussion of issues.
19 CFR 177.5 · Change in status of transaction.
19 CFR 177.6 · Withdrawal of ruling requests.
19 CFR 177.7 · Situations in which no ruling will be issued.
19 CFR 177.8 · Issuance of rulings.
19 CFR 177.9 · Effect of ruling letters.
19 CFR 177.10 · Publication of decisions.
19 CFR 177.11 · Requests for advice by field offices.
19 CFR 177.12 · Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions.
19 CFR 177.13 · Inconsistent CBP decisions.
19 CFR 177.21 · Applicability.
19 CFR 177.22 · Definitions.
19 CFR 177.23 · Who may request a country-of-origin advisory ruling or final determination.
19 CFR 177.24 · By whom request is filed.
19 CFR 177.25 · Form and content of request.
19 CFR 177.26 · Where request filed.
19 CFR 177.27 · Oral discussion of issues.
19 CFR 177.28 · Issuance of advisory rulings and final determinations.
19 CFR 177.29 · Publication of notice of final determinations.
19 CFR 177.30 · Review of final determinations.
19 CFR 177.31 · Reexamination of final determinations.
19 CFR 178.1 · Purpose.
19 CFR 178.2 · Listing of OMB control numbers.
19 CFR 181.0 · Scope.
19 CFR 181.1 · Definitions.
19 CFR 181.11 · Certificate of Origin.
19 CFR 181.12 · Maintenance and availability of records.
19 CFR 181.13 · Failure to comply with requirements.
19 CFR 181.21 · Filing of claim for preferential tariff treatment upon importation.
19 CFR 181.22 · Maintenance of records and submission of Certificate by importer.
19 CFR 181.23 · Effect of noncompliance; failure to provide documentation regarding transshipment.
19 CFR 181.31 · Right to make post-importation claim and refund duties.
19 CFR 181.32 · Filing procedures.
19 CFR 181.33 · Customs processing procedures.
19 CFR 181.41 · Applicability.
19 CFR 181.42 · Duties and fees not subject to drawback.
19 CFR 181.43 · Eligible goods subject to drawback.
19 CFR 181.44 · Calculation of drawback.
19 CFR 181.45 · Goods eligible for full drawback.
19 CFR 181.46 · Time and place for filing drawback claim.
19 CFR 181.47 · Completion of claim for drawback.
19 CFR 181.48 · Person entitled to receive drawback.
19 CFR 181.49 · Retention of records.
19 CFR 181.50 · Liquidation and payment of drawback claims.
19 CFR 181.51 · Prevention of improper payment of claims.
19 CFR 181.52 · Subsequent claims for preferential tariff treatment.
19 CFR 181.53 · Collection and waiver or reduction of duty under duty-deferral programs.
19 CFR 181.54 · Verification of claim for drawback, waiver or reduction of duties.
19 CFR 181.61 · Applicability.
19 CFR 181.62 · Commercial samples of negligible value.
19 CFR 181.63 · [Reserved]
19 CFR 181.64 · Goods re-entered after repair or alteration in Canada or Mexico.
19 CFR 181.71 · Denial of preferential tariff treatment dependent on origin verification and determination.
19 CFR 181.72 · Verification scope and method.
19 CFR 181.73 · Notification of verification visit.
19 CFR 181.74 · Verification visit procedures.
19 CFR 181.75 · Issuance of origin determination.
19 CFR 181.76 · Application of origin determinations.
19 CFR 181.81 · Applicability to NAFTA transactions.
19 CFR 181.82 · Exceptions to application of penalties.
19 CFR 181.91 · Applicability.
19 CFR 181.92 · Definitions and general NAFTA advance ruling practice.
19 CFR 181.93 · Submission of advance ruling requests.
19 CFR 181.94 · Nonconforming requests for advance rulings.
19 CFR 181.95 · Oral discussion of issues.
19 CFR 181.96 · Change in status of transaction.
19 CFR 181.97 · Withdrawal of NAFTA advance ruling requests.
19 CFR 181.98 · Situations in which no NAFTA advance ruling may be issued.
19 CFR 181.99 · Issuance of NAFTA advance rulings or other advice.
19 CFR 181.100 · Effect of NAFTA advance ruling letters; modification and revocation.
19 CFR 181.101 · Publication of decisions.
19 CFR 181.102 · Administrative and judicial review of advance rulings.
19 CFR 181.111 · Applicability.
19 CFR 181.112 · Definitions.
19 CFR 181.113 · Request for basis of adverse marking decision.
19 CFR 181.114 · Customs response to request.
19 CFR 181.115 · Intervention in importer's protest.
19 CFR 181.116 · Petition regarding adverse marking decision.
19 CFR 181.121 · Maintenance of confidentiality.
19 CFR 181.122 · Disclosure to government authorities.
19 CFR 181.131 · Rules of origin.
19 CFR 181.132 · Disassembly.
19 CFR Appendix to Part 181 · Appendix to Part 181—Rules of Origin Regulations
19 CFR 182.0 · Scope.
19 CFR 182.1 · General definitions.
19 CFR 182.2 · Confidentiality.
19 CFR 182.11 · Filing of claim for preferential tariff treatment upon importation.
19 CFR 182.12 · Certification of origin.
19 CFR 182.13 · Importer obligations.
19 CFR 182.14 · Certification of origin not required.
19 CFR 182.15 · Maintenance of records.
19 CFR 182.16 · Effect of noncompliance; failure to provide documentation regarding transshipment.
19 CFR 182.21 · Certification of origin for goods exported to Canada or Mexico.
19 CFR 182.31 · Right to make post-importation claim for preferential tariff treatment and refund duties.
19 CFR 182.32 · Filing procedures.
19 CFR 182.33 · CBP processing procedures.
19 CFR 182.41 · Applicability.