The US Forced Labor Law

The United States maintains some of the most immediate trade enforcement mechanisms in the world regarding forced labor.

Unlike standard regulatory frameworks that focus on annual reporting or corporate disclosures, US forced labor laws operate directly at the port of entry. If a company cannot prove its supply chain is completely clean, its shipments face immediate financial and operational gridlock.

To maintain a border-ready advantage, international businesses must understand the two core pillars that govern US customs enforcement.

1. The Statutory Baseline: 19 U.S.C. § 1307

The foundational bedrock of US enforcement is Section 307 of the Tariff Act of 1930 (19 U.S.C. § 1307). This statute strictly prohibits the importation of any merchandise mined, produced, or manufactured wholly or in part in any foreign country by forced, convict, or indentured labor.

Under this authority, US Customs and Border Protection (CBP) issues Withhold Release Orders (WROs) and formal findings based on self-initiated investigations or submissions from NGOs and media reports. A WRO gives port authorities the power to immediately detain shipments under suspicion. To secure the release of the cargo, the importer bears the immediate, heavy burden of providing exhaustive documentation proving that no forced labor was used at any point in the production process.

2. The Enforcement Multiplier: The UFLPA

While Section 1307 applies globally, the Uyghur Forced Labor Prevention Act (UFLPA) elevates enforcement to an unprecedented level through a mechanism known as a rebuttable presumption, which is detailed further in another post.

Under the UFLPA, CBP legally presumes that any goods originating from, or incorporating components from, the Xinjiang Uyghur Autonomous Region (XUAR)—or produced by any entity on the rapidly expanding UFLPA Entity List—are made with forced labor.

The law contains no de minimis exception. If a fraction of a percent of a high-priority raw material (such as polysilicon, aluminum, PVC, steel, copper, or lithium) is traced back to a restricted source, the entire multi-million dollar shipment is barred from entry. To clear a detention, an importer must present "clear and convincing evidence" that their supply chain is entirely untainted—effectively forcing businesses to prove a negative at the border.

Our Perspective: The Need for Ground-Truth Validation

The enforcement landscape is scaling rapidly. CBP has consolidated its oversight into a unified forced labor enforcement framework, while the U.S. Trade Representative (USTR) uses Section 301 actions to target global trade partners that fail to enforce their own forced labor import bans.

In this environment, relying on traditional, pre-announced paper audits or basic supplier declarations leaves a business completely exposed. If a Tier 3 or Tier 4 sub-contractor obscures their sourcing data on an emailed spreadsheet, your company inherits the legal and financial liability the moment the container hits a US port.