Tax laws in all countries involved would have to be changed. That’s kind of the point.
“We will get some revenue by shrinking the use of tax havens, especially for intangibles, and we will get the benefit of multinationals locating any start-ups in the U.S.”
President Biden’s call for a global minimum tax on corporate profits is expected to be supported by finance ministers from Group of Seven nations, when they meet in London on Friday.
www.washingtonpost.com
I’m not sure why you’re singling out the U.S. and also pretending it won’t have any benefit.