GATT Article III

GATT Article III, titled "National Treatment on Internal Taxation and Regulation," is one of the two foundational non-discrimination pillars of the General Agreement on Tariffs and Trade 1947 (incorporated into GATT 1994 under the WTO Agreement of 1995), the other being the Most-Favoured-Nation obligation of Article I. Article III prohibits WTO Members from using internal taxes, charges, laws, regulations, and requirements to protect domestic production once imported goods have cleared customs. Article III:1 states the general principle that internal measures "should not be applied to imported or domestic products so as to afford protection to domestic production." Article III:2 governs internal taxation, while Article III:4 governs internal regulation affecting the "sale, offering for sale, purchase, transportation, distribution or use" of products.

The operative discipline distinguishes fiscal and regulatory measures. Article III:2 first sentence forbids taxing imported products "in excess of" taxes on like domestic products — even a marginal tax differential violates it, with no de minimis exception, as confirmed in Japan – Alcoholic Beverages II (1996). The second sentence, read with the Ad Note, reaches "directly competitive or substitutable" products that are "not similarly taxed" where the dissimilar taxation is "so as to afford protection." Article III:4 requires "like products" to receive treatment "no less favourable" in regulation; the Appellate Body in Korea – Beef (2001) clarified that this protects equality of competitive opportunities, not identical treatment, while EC – Asbestos (2001) held that health risks are relevant to the "likeness" determination. Article III:8(a) carves out government procurement, and III:8(b) permits subsidies paid exclusively to domestic producers.

Article III is among the most litigated provisions in WTO jurisprudence. Landmark cases include US – Gasoline (1996), the first Appellate Body report, where discriminatory baseline rules for imported gasoline breached Article III:4; Japan – Alcoholic Beverages II (1996), the leading authority on shochu versus vodka and the "aim and effects" debate; Korea – Various Measures on Beef (2001) on dual retail distribution systems; and EC – Seal Products (2014). A measure violating Article III may still be saved under the general exceptions of Article XX (e.g., XX(b) for human health, XX(g) for conservation), subject to the chapeau against arbitrary or unjustifiable discrimination — the analytical route in US – Shrimp (1998). As of 2026 Article III remains fully operative within the WTO framework, frequently invoked in disputes over carbon border measures, local-content requirements, and digital taxation.

For the exam, GATT Article III is tested in International Law, International Relations, and Indian/Global Economy papers, and recurs in interviews on trade policy. Candidates must distinguish it sharply from Article I (MFN — non-discrimination between trading partners) and from tariff bindings under Article II; Article III addresses non-discrimination between domestic and imported goods inside the border. High-yield angles include the "like products" versus "directly competitive or substitutable" distinction, the relationship between Article III and the Article XX exceptions, and the application of national treatment to local-content and make-in-India-style schemes, several of which India has defended at the WTO. A frequent prompt asks candidates to compare national treatment under GATT Article III, GATS Article XVII, and the TRIPS Agreement.