Just filled in my tax return for 2020 - on time for once - and I've noticed that on previous tax returns we've had field 800 (Wertschriften- und Guthabenverzeichnis) increased by the tax office from what we've declared. The note they've put for this field says:
Kurskorrekturrn nicht kotierter Titel (nähere Angaben erhalten Sie von Bewertungsstelle der Gessellschaft oder des Sitzkantons der Gesellschaft),
(
Price corrections of unlisted securities (for further details, please contact the company's valuation office or the canton in which the company is domiciled according to deepl).
It's not urgent, since this affects wealth tax and I'm not yet rich enough for that. But I'm curious if anyone knows what this is about. We have a mixture of shares on the US, Swiss and UK stock markets. Otherwise it's 2 UK bank account and a handful of Swiss ones.
When we get our next statement, if they've made a similar adjustment, we'll call up. But if anyone knows what this is about, then maybe I can figure out what I've been doing wrong and correct it for 2020.