Trump sets new 10% global tariff from 24 February

If you teach government or economics, Friday 20 February has given us a living case study. In a 6–3 ruling, the US Supreme Court struck down the President’s emergency‑tariff programme under IEEPA. Hours later, the White House said a new 10% global import surcharge will start on Tuesday 24 February, using Section 122 of the Trade Act. We’ll walk you through what that means for prices, classrooms and small firms. (kiplinger.com)

What did the Court actually say? The majority, led by Chief Justice John Roberts, held that Congress - not the President - controls tariff powers unless a law clearly says otherwise. Two Trump‑appointed justices, Amy Coney Barrett and Neil Gorsuch, joined the three liberal justices and the Chief, while Justices Alito, Thomas and Kavanaugh dissented. Lawyers call this the “major questions” doctrine in action. (kiplinger.com)

At the White House, President Trump denounced the ruling and some of the justices, calling them “fools” and “lap dogs”, and promised “powerful alternatives”. The alternative he chose is a time‑limited 10% tariff under Section 122 while other avenues are explored. (apnews.com)

Let’s translate tariffs into everyday life. A tariff is a tax on imports. Research consistently finds most of the cost lands on businesses and shoppers, not on foreign governments. Prices don’t always jump overnight, but over weeks the extra tax tends to filter through to tills and invoices. (wsj.com)

So what is Section 122? It’s a 1974 law that allows a temporary import surcharge of up to 15% for a maximum of 150 days when the US faces “fundamental international payments problems” - think a serious balance‑of‑payments crunch or sharp dollar moves. It has never been used before. Extending it beyond 150 days would require an Act of Congress. (law.cornell.edu)

What’s excluded from the new 10%? The proclamation lists broad exemptions: critical minerals; energy products; certain agricultural goods such as beef, tomatoes and oranges; pharmaceuticals and ingredients; some electronics; specified vehicles and aerospace items. Goods already under national‑security tariffs (Section 232) are carved out, and goods that are legally USMCA‑compliant from Canada and Mexico are exempt. DR‑CAFTA textiles entered duty‑free are also excluded. There’s a short grace window for goods already loaded and in transit before 24 February. (whitehouse.gov)

Will firms get refunds on the struck‑down IEEPA tariffs? The Supreme Court didn’t say. That question now heads to the Court of International Trade, where hundreds of companies - from Costco to smaller importers - have already filed to preserve claims. Even Justice Kavanaugh warned the refund process could be a “mess”, and trade lawyers say it may take many months. (apnews.com)

How did markets react on the day? US shares finished higher after the ruling, with the S&P 500 up about 0.7%, the Dow up 0.5% and the Nasdaq up 0.9%. Investors seem to welcome clarity on IEEPA while they weigh the price impact of the new 10% surcharge. (finance.yahoo.com)

Quick price maths you can use in class: imagine a US retailer importing a £80 component for a bicycle. A 10% surcharge adds £8 at the border. Add freight and margin, and a £100 finished product can easily become £107–£112 on the shelf, depending on how much cost gets absorbed or passed on. That is why tariff design matters for inflation and for family budgets.

Small business voices put the legal fight into human terms. “It’s a huge weight lifted off my chest,” said Beth Benike, who runs Busy Baby in Minnesota and has battled extra costs all year. In Vermont, Nik Holm of Terry Precision Cycling said he looks forward to “refunds of improperly‑collected duties” but expects supply chains to take time to normalise. (postbulletin.com)

Not everything changed. Sector‑specific tariffs built on other laws - for example, national‑security measures on steel, aluminium and vehicles under Section 232 - were not part of the Court’s decision. The administration is also signalling it could lean on Sections 232 and 301 next, which do require investigations and have clearer limits. (dentons.com)

A practical wrinkle: the new 10% sits on top of normal customs duties but won’t stack on the portion of an import already charged a Section 232 tariff. In plain English, some items may face both standard duty and the new surcharge, while items already fully covered by Section 232 won’t pay the extra 10% on that covered slice. (whitehouse.gov)

International partners are keeping their powder dry. The European Commission said it is analysing the ruling and next steps. Because Canada and Mexico’s USMCA‑compliant goods are excluded, most other partners - including the UK, EU and India - should assume their shipments fall under the 10% unless they’re in an exempt category. (apnews.com)

If you’re teaching this next week, try framing it as checks‑and‑balances you can see. Ask students to map who holds which power: Congress writes tariff laws; courts police the limits; the President can act quickly only where a statute clearly allows. Then run a mini‑simulation: give teams a product bill of materials and ask them to price the same item with and without a 10% surcharge, noting who bears the cost and why. That turns a headline into real‑world numeracy and civic literacy.