Gold tariffs spark firestorm: Switzerland’s refining empire runs into a comex-sized wall

he Trump trade cannon has fired again, this time at the heart of the global gold pipeline: one-kilo bars. In a ruling letter dated July 31, U.S. Customs and Border Protection dropped the hammer, declaring these bars fall under a customs classification now subject to tariffs — throwing a wrench into the gears of the world’s most critical bullion corridor.
The timing isn’t coincidental. One-kilo bars are the bread and butter of the Comex — the battleground where gold’s paper price meets physical demand. And while they may look like modest smartphone-sized ingots, these bars now carry the fiscal weight of a 39% levy — a gold tax masquerading as a customs ruling.
Switzerland, the world's refining mecca, is staring down a $24 billion slap. Over the past year, it shipped $61.5 billion worth of gold across the Atlantic. With this ruling, nearly two-fifths of that now sails into the U.S. under a tariff umbrella. The market isn’t just digesting another trade war headline — it’s bracing for structural upheaval in bullion logistics.
The historical trade triangle — London’s 400-ounce bars smelted and resized in Switzerland before shipping out as kilo bars to New York — is cracking. Previously, a sliver of hope remained as many interpreted tariff exemptions to include precisely these remelted forms. But this latest move makes clear: kilo and 100-ounce bars now fall under HTS code 7108.13.5500, not the 7108.12.10 code that enjoys safe harbor from tariffs.
This isn’t just bureaucratic bean-counting. It's a tectonic shift in a market where every ounce is spoken for. Swiss refiners are in lawyer mode, combing through legalese like prospectors in search of loopholes. At least two refineries have already dialed back or halted U.S. shipments. Meanwhile, bullion traders are scrambling for arbitrage plays as London tightens and Comex stockpiles remain elevated from the “liberation day” front-loading spree.
Back then, gold was rushed in under the wire, ahead of anticipated tariffs. Now, the trap door has sprung — and the global flow of physical metal just got more expensive, more complicated, and more political.
Strategically, it’s another brushstroke in Trump's “America First” canvas. By targeting kilo bars — the format most embedded in U.S. markets and Jeweller demand — the administration isn’t just collecting tariffs. It’s rewriting the international script on what is and isn’t a neutral store of value.
What’s ironic is that gold has been one of the clearest safe havens amid the very chaos this policy creates. Bullion has rallied 27% year-to-date, brushing up against $3,500/oz. The cocktail fueling that surge — inflation paranoia, ballooning U.S. deficits, and whispers of the dollar’s reserve status eroding — is now being stirred with a tariff stick.
The optics are unmistakable. At a time when central banks are hoarding gold to diversify away from dollar risk, Washington is slapping toll booths on the global metal highway. Switzerland, the middleman in this high-value supply chain, just became collateral damage.
This isn’t just about trade policy. It’s about trust in the architecture of global finance. If gold — the most apolitical of assets — gets caught in tariff crossfire, what’s next?
For now, the kilo bar has become the new front line in the global economic standoff — a glimmering symbol of how even the world’s oldest safe haven isn’t immune from modern trade wars.
And for the market? Expect dislocations. Premiums may widen. Arbitrage will thrive. And in the shadows of vaults from Zürich to Manhattan, traders will be recalibrating, calculating — and probably buying more gold.
Author

Stephen Innes
SPI Asset Management
With more than 25 years of experience, Stephen has a deep-seated knowledge of G10 and Asian currency markets as well as precious metal and oil markets.

















