US President Donald Trump on Tuesday threatened to impose 200 percent tariffs on French wine and champagne. The move comes after French President Emmanuel Macron reportedly declined an invitation to join Trump's proposed "Board of Peace." This new trade threat emerges as the global business community awaits a landmark US Supreme Court decision on the legality of Trump's broader tariff regime, which has significant implications for international trade, including billions of dollars in Indian exports.
The latest diplomatic friction stems from France's response to Trump's invitation for President Macron to join a "Board of Peace" for Gaza. A source close to Macron indicated that France "does not intend to answer favourably" to the invitation. Trump's reaction was swift and direct. "What I'll do is if they feel like that, I'll put a 200% tariff on his wines and champagnes and he'll join," Trump stated, adding, "But he doesn't have to join." The US leader also mentioned in a Truth Social post that he had received a private message from Macron regarding Greenland, further highlighting the complex nature of their communications.
While the threat against France captures headlines, a more fundamental challenge to Trump's trade policy is unfolding at the US Supreme Court. The court is expected to rule on the legality of the sweeping global tariffs Trump imposed in April 2025, using the International Emergency Economic Powers Act (IEEPA) of 1977. The administration justified the tariffs, which range from 10% to 50%, by declaring a national emergency linked to US trade deficits. The case tests the limits of presidential authority in setting trade policy, a power traditionally held by Congress. Lower courts have already ruled that Trump overstepped his authority, and the Supreme Court's decision is being closely watched by trade partners and businesses worldwide.
The outcome of the Supreme Court case carries immense financial and legal weight. President Trump himself has warned of the consequences of an adverse ruling. In a post on his Truth Social platform, he stated that if the court rules against the tariffs, the US government would have to pay back "many Hundreds of Billions of Dollars." He described the potential scenario as a "complete mess," arguing it would be nearly impossible for the country to manage such a large-scale refund process. The ruling will set a precedent for how future presidents can use emergency powers to shape economic policy.
India is one of the countries most exposed to the tariff regime. A negative verdict from the court could keep duties in place on over $10 billion worth of Indian exports. Currently, Indian goods face combined duties of up to 50 percent, which includes a 25% reciprocal tariff and an additional 25% charge linked by Washington to India's purchases of Russian oil. The impact is concentrated in several key sectors.
Trade data already indicates signs of strain. For instance, India’s share of US hair product imports for wigs fell from 76 percent to 51 percent in September 2025, and its share in worked synthetic diamonds also slipped, highlighting the real-world impact of the duties.
Despite the high stakes, market reaction has been measured. Ahead of the expected ruling, stock futures remained relatively flat. Analysts suggest that while a decision to strike down the tariffs could trigger a short-term relief rally in Indian equities, the long-term market direction will likely be dictated by corporate earnings and other global cues. Nitant Darekar, a research analyst at Bonanza, noted, "Even if the Court nullifies the 10–50 percent duties on Indian goods, the relief may be limited. Tariffs align with Trump’s core strategy, and alternative legal routes remain available."
If the Supreme Court rules against the current tariff structure, the Trump administration has indicated it will not simply abandon its protectionist stance. US Trade Representative Jamieson Greer said the administration would move "the next day" with alternative levies. Legal experts point to several other statutes the President could use to impose tariffs, including:
This suggests that even a legal victory for opponents of the tariffs may only lead to a shift in strategy rather than a complete reversal of the policy.
President Trump's threat against French wine demonstrates his continued reliance on tariffs as a primary tool of foreign and economic policy. This occurs at a critical juncture, with the US Supreme Court poised to deliver a verdict that could either validate or dismantle the legal foundation of his entire global tariff regime. The decision, whenever it arrives, will have far-reaching consequences for presidential power, global supply chains, and the economic stability of key US trading partners like India.
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