Where can I find the tax certificate of the finpension 1e collective foundation?

You can find the tax certificates of your voluntary purchases into the finpension 1e collective foundation here:

https://app.finpension.ch/1e/voluntary-purchase?universe=1e

Note: You will not receive a tax certificate if you have not made any voluntary purchases in the past year. Pension assets do not have to be listed in the list of assets in the tax return in Switzerland.