Ascension/Ascension

Closing

Updated on 5 May 2026

The Swiss National Library will be closed on Thursday 14 May 2026 (Ascension). The Swiss National Library will be closed on Whit Monday, 25 May 2026.

Third party communicationPublished on 4 May 2026

Course listings (ICTax)

Berne, 04.05.2026 — The Federal Tax Administration has updated the course listings and bonus shares 2025 and 2026.

Course listings Federal income tax 2025