The U.S. Senate ratified a new US/CH double taxation treaty. Rand Paul which was previously blocking the vote found a new pet block topic: The 9/11 victim compensation fund.

https://news.bloombergtax.com/daily-...rticle-related

https://www.tagesanzeiger.ch/schweiz...story/12746160

https://thehill.com/homenews/senate/...pensation-fund

Not sure, but I think these are the changes:
https://www.admin.ch/opc/de/federal-...e/2010/247.pdf

and here all current tax related treaties between CH and USA.
https://www.estv.admin.ch/estv/de/ho...ender/usa.html

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