Why would broker act not in client’s interest ?
If W8BEN is filled then only 15%WHT is withheld in US.
I doubt there was any malice. Some Swiss brokers, at least in the past, weren’t IRS qualified intermediaries, in which case they couldn’t offer W-8 BEN and were required to always deduct 30% US WHT. Or maybe there was a mistake or miscommunication regarding W-8 BEN. I would also not be surprised if some broker support requests related to US WHT aren’t handled correctly.
Normally you can see the difference on the transaction documents. It should appear as a line for 15% and another line for 15%. Not as a single line for 30%.
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Yes, exactly. I didn’t know that, and only figured it out when my tax refund got rejected. There was no way to retroactively fix it, unfortunately.
Wait what? Are they saying that I don’t get WHT back because I’m with IBKR UK?!
USA Rückbehalt ist afaik nur für Schweizerbroker. Du möchtest Anrechnung der ausländischen Quellensteuer.
There’s like 500 threads like this 
That’s the most common mistake people make with DA-1, you should only ask for the supplementary withholding USA if you have a swiss broker.
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Yes. Agree R-US only applies for Swiss brokers, but why deny the WHT credit/DA-1?
They always do that when you wrongly ask for supplementary withholding. Now you have to explain to them that you misfiled and only want DA-1 (but isn’t your tax rate way too low to claim it back if you said you didn’t pay any federal tax?)
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That was the 2023 year and I didn’t claim there. I received final tax assessments for 2020-2023 yesterday!
It seems in 2 of the years I clicked the R-US box. I must have thought, “I can’t remember if this apples but let’s tick it just in case - worst case is they ignore it.” I was wrong.
I guess you are appealing?
Yes. There was other stuff wrong anyway.
Have you read this?
I assume you made a wrong click for a section where they ask about „ zusätzlichern Steuerrückbehalt USA“
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I checked my tax declaration 2024. Last 2 pages are DA-1 and RUS (15% each) as I’m using a Swiss broker. That’s correct right?
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Yes, with a Swiss broker that’s correct. Assuming the broker is an IRS qualified intermediary and W-8 BEN or equivalent has been filed.
(In some cantons, R-US is part of the DA-1 form, in other cantons there are two separate forms).
Can someone help with the German here. How do I say something along the lines of “I agree that the [whatever the thing that R-US claims] is not applicable, however, [whatever the thing that DA-1 claims] applies and is not restricted by the location of the broker. Therefore please amend the tax calcuation to allow the [whatever the thing is called in German]”