Official-source tariff data · 2026 HTS Rev 19 · synced · Operational
SkuWatch tariff intelligence
Section 301 measure · effective 2021-07-28

USTR initiated a Section 301 investigation into Vietnam’s acts, policies, and practices related to currency valuation on October 2, 2020.

USTR 301 · Final action

Plain-language explainer

Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.

A Section 301 investigation is a U.S. trade-law process used to examine whether a foreign government’s acts, policies, or practices are unreasonable or discriminatory and harm U.S. commerce. The Office of the United States Trade Representative (USTR) conducts the investigation. An investigation does not automatically mean that an additional duty or other trade remedy applies; any later action must be identified separately in official materials.

For an importer, the key issue is whether a resulting Section 301 action applies to the product’s tariff classification, country of origin, and entry circumstances. The measure may affect goods imported from the named country, but coverage is determined by the official product scope—often expressed through Harmonized Tariff Schedule (HTS) subheadings and any listed exclusions or other conditions. Importers should distinguish the measure type (Section 301) from the underlying investigation and verify the current entry requirements with official sources or a customs professional.

What to check

Basis Section 301
Source USTR 301
Current legal effect Final action
Lifecycle Final adopted
Effective date 2021-07-28
Linked codes 0

Legal basis

Section 301 of the Trade Act of 1974

Open official source

Affected HTS entries

No explicit linked HTS code list is available in this snapshot record.

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