hi, this is a really great forum, j'adore

I have an issue that is driving me mad. I have already asked at the company where I worked but they don't seem to know the answer.

I will be moving from Vaud to a canton with a lower tax rate in late august.
I have a B permit and I am taxed at the source.
The new Canton's authorities have told me that while registering with them I can also ask for a C permit because my B permit expires end of december anyway.

Assuming a do get a C permit when I move, my question is the following.
I believe that when people are taxed at the source a change of canton implies the new Canton's tax rate will be applied only starting from the date at which they take residency in a new canton.

However, given that I am getting a C permit, will the change have a retro-active effect, given that I have to compile a declaration for the entire year and the dec 31st rule?

Does anybody know?

thanks

The whole year's tax would normally be payable in the new kanton. Certainly was that way for us when we moved from BS to OW on Dec 1st some years back. We were already on C permits and paying annual tax before the move though.

I don't think the ausweiss status itself is the key here, but if it means you move from withholding tax to an annual return then I imagine there's be a mechanism whereby the new kanton would recover taxes (pre-)paid in the old one but I'm not sure exactly how they work this.

Search for my thread here, I believe I answered ipthis question. Short version: I was told by the canton that for quelled steer (edit: stupid iPad, it's Quellensteuer!), the tax rate does not retroactively change. I can't confirm as they haven't approved my tax return yet.