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Business
Estimate a possible late-filing fine and late-payment interest from the details you enter.
The penalty depends on whether you keep books, the tax due and whether this is an initial or amended return.
The 2026 changes include s for some returns with up to €100 of tax. This estimate does not replace the amount assessed by .
The filing fine follows the return type and bookkeeping category. The 0.73% monthly interest is a simplified estimate on unpaid tax; calculates the exact amount from the statutory dates.
This tool excludes special facts such as corrections after an audit, multiple prior amendments and individual reliefs beyond the questions shown.
No. The 2026 law exempts some initial and amended income-tax returns when tax due or the increase is no more than €100.
No. Use or ask your accountant to file the return and confirm the exact assessment.
Estimated filing fine
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