Quellensteuer and Steuererklärung when moving from a Kanton

Hello there!

This year will be my first time doing the Steuererklärung.

My question is:
I lived in Kanton St. Gallen in Jan/Feb 2023, then from March Kanton Zürich.

Can I do my whole Steuererklärung from Kanton Zürich or do I have to do two separate Taxforms for each Kanton?

Thank you in advance, I hope somebody here was in a similiar situation.

IIRC only the canton of residence on 31st of December counts.


In my case moved from Tessin to Graubunden in October. They have considered like I was in Graubunden the whole year. I can assume it will be the same for Zurich

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