Germans are known for being punctual, and one of the places punctuality is taken most seriously is the Finanzamt (tax office). But what if you procrastinate - or inadvertently overlook a filing deadline - and submit your Steuererklärung (tax return) a bit too late? The consequences can vary quite a bit.
Do I even need to file a German tax return?
If you're an employee in Germany with no additional sources of income, you're not required to file taxes. But about 50 percent of employees do anyways, given that there's a slew of deductions you can make on everything from printing costs to commuting expenses.
That said, if you’re submitting voluntarily, you do have a little bit more leeway. You can hand over your return up to four years after the relevant tax year to still receive tax rebates - so for 2024, that would be December 31st, 2028.
However, if you have any extra sources of income, are self-employed, or have multiple jobs, you’re obligated to file by the Steuerfrist, or deadline.
READ ALSO: Do employees in Germany have to declare tax on a side job?
When are the deadlines?
For the tax year 2024, the deadline to submit was July 31st, 2025.
Anyone filing taxes through a Steuerberater (tax advisor) or tax association has longer to file their taxes.
For those doing it with a tax adviser, the deadline is Thursday, April 30th, 2026.
READ ALSO: The German tax deadlines to know in 2025
Can the deadline be extended?
If you can foresee that you will not be able to meet a deadline, you should request an extension from your responsible tax office, if possible in writing and with justification, before the deadline expires. An understandable valid reason would be, for example, an accident with hospital treatment, the death of a close relative, a longer stay abroad, missing documents or a move.
If you have usually been on time in the past, then you have a good chance of receiving an extension of up to four months. If you apply for only one additional month, you increase your chances that the tax office will be merciful.
In your letter to the tax office, you can write something along the lines of: “Falls ich von Ihnen nichts Gegenteiliges höre, gehe ich von der Genehmigung meines Antrags auf Fristverlängerung aus.“ ("Unless I hear from you to the contrary, I assume that my request for an extension of the deadline will be approved.")
READ ALSO: How to request an extension on your tax return in Germany
If you have offered a new deadline to submit and the tax office does not respond, you can assume that they will grant your request.
However, there is no right to an extension of the deadline. If someone has already been late several times, experience shows that the tax office tends to reject the application.
What happens if I miss a deadline?
Simply letting the deadline pass and hoping that the tax office will forget you is not recommended. Still, the Finanzamt is usually fairly lenient at first, and sends a letter reminding you to submit your tax return.
But be warned: if there is a written Aufforderung zur Abgabe der Steuererklärung unter Androhung eines Zwangsgeldes ("request to submit the tax return under threat of a penalty payment"), things can quickly get serious.
The tax office can already set a late payment surcharge (Verspätungszuschlag) that you have to pay in addition to your tax liability - and give you a new deadline. You can avoid at least one additional penalty, Zwangsgeld (fine), by filing a tax return before the new deadline expires.
If you also let this deadline pass, the tax office will inform you of the penalty payment in a notice. If this is the first time you haven't submitted a tax return, the fine could be around €25 per month or anywhere between €100 and €500. However, fines of up to €25,000 are possible.
The amount of the fine depends on various factors. Your financial situation plays a role, but also how cooperative you have been towards the authorities so far, or whether you have previously submitted your tax return.
Estimation as a last resort
If you still don't file a tax return, the tax office will estimate your taxable income. While this estimate is usually to your disadvantage, you are still obliged to pay. You have one month after the appraisal notice (Schätzungsbescheid) to appeal. After that it becomes final.
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If you pay your taxes too late, the tax office can also demand a late payment surcharge (Säumniszuschlag). Interest may also accrue on tax arrears (Steuernachzahlungen). This normally begins after a waiting period of 15 months after the end of the calendar year in which the tax arose.
The statutory interest (gesetzlichen Zinsen) is 0.15 percent for each month, i.e. 1.8 percent for one year. For many years, the interest rate was even six percent per year, but this was lowered in a decision from the Federal Constitutional Court of 2021.
Taxpayers in arrears can face significant sums in addition to the tax arrears, none of which is deductible from future income tax.
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