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.
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.