Tag: CBP Forms


  • Tariff engineering for specialty chemicals and plastics. HTS Chapter 28-39 boundaries, formulation modifications, end-use classifications.

  • Where tariff engineering ends and tariff evasion begins. Legal modifications vs. misclassification, CBP scrutiny, Section 1592 penalties.

  • Documentation supporting tariff engineering claims. Technical specs, before/after, manufacturing records, GRI analysis, binding rulings.

  • When and how to use CBP binding rulings to support tariff engineering. Pre-import certainty, audit defense, ongoing operations.

  • Manufacturing drawback under 19 U.S.C. § 1313(a) (same-condition) and 1313(b) (substitution). BOM analysis, documentation, claim filing.

  • Unused merchandise drawback under 19 U.S.C. § 1313(j)(1). Eligibility, documentation, return-to-supplier scenarios, distribution model.

  • Rejected merchandise drawback under 19 U.S.C. § 1313(c). Defective, not as ordered, non-conforming. Documentation and filing process.

  • Substitution drawback rules under § 1313(b). Commercial interchangeability standard, documentation, CBP scrutiny.

  • Drawback Case Studies

    Anonymized drawback case studies. Recovery amounts, documentation patterns, lessons for SMB manufacturing exporters.

  • ACE drawback module filing process. Login, submission, status tracking, accelerated payment, response to information requests.