The tax return must be submitted by April 1 (for paper submissions), by May 2 (for electronic submissions), or by July 1 (if using a tax advisor).
You can submit your tax return on three different dates.
1. Submission electronically = by data box
If you file your tax return electronically, the deadline for submission is no later than 2 May 2025.
All self-employed persons who have a data box, for example, must submit their tax return in this way.
2. Paper submission = in person at the office / send by registered mail
If you file your tax return on paper, the deadline for submission is no later than 1 April 2025.
3. Submission with a tax advisor
If you have a tax adviser file your tax return for you, the maximum submission date is 1 June 2025
Do you have to file a tax return? See who doesn't have to file.