Tariff Coverage
The Gateway Tariff Simulator provides real-time U.S. import duty estimates using official government data sources, continuously updated to reflect current trade policy. The simulator is designed for planning, sourcing decisions, and risk visibility—not post-entry compliance.
Included
- MFN (base) duty rates
- Section 301 (China) tariffs — Lists 1–4
- Section 232 steel & aluminum duties
- U.S. Free Trade Agreements (USMCA, KORUS, etc.)
- Country-specific exemptions & quotas
- Ad valorem, specific, and compound duties
Not Included
- Anti-dumping (ADD) & Countervailing (CVD) duties
- PGA compliance costs (FDA, EPA, CPSC)
- MPF, HMF, bonds, broker fees
- State or local taxes
ADD/CVD and compliance costs are case-specific and require shipment-level review.
Data Sources & Monitoring
Gateway monitors official government sources continuously and updates tariff logic within 24–48 hours of publication.
| Data Type | Source Authority | Current Version |
|---|---|---|
| HTS Base Rates | USITC | 2026 Basic Edition |
| Section 301 Tariffs | USTR + Federal Register | January 2026 |
| Section 232 Tariffs | Commerce / BIS | January 2026 |
| FTA Eligibility | USITC General Notes | 2026 |
| Country Exemptions | USTR / Commerce | January 2026 |
Country Coverage
Gateway supports tariff calculations for all U.S. trading partners under the Harmonized Tariff Schedule, including all major manufacturing and sourcing countries.
Important: Gateway tariff estimates are intended for planning and sourcing decisions. Final duty liability is determined by U.S. Customs and Border Protection based on entry documentation and may vary.
Need full landed cost certainty?
Gateway customers receive end-to-end landed cost analysis, including MPF, HMF, AD/CVD screening, and compliance review by licensed trade professionals.