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Abmahnung: what an employer warning letter means and how to react

A written warning (Abmahnung) is not just a “yellow card” — it is the formal step that can justify dismissal if the conduct repeats. React with a plan, not with emotions.

Dr. Artur Barczewski
Dr. Artur BarczewskiRechtsanwalt · attorney-at-law
≈ 5 min read
updated: July 2026

What an Abmahnung is — and what it is for

With a warning letter the employer criticises specific conduct (lateness, mistakes, ignoring instructions), demands a change and threatens consequences — usually dismissal — if it happens again.

Before a conduct-based dismissal German labour courts generally expect a valid prior warning. That is why employers “collect” warnings when they prepare a termination.

When a warning letter is challengeable

  • the accusation is generic — no date, place or specific behaviour,
  • the criticised conduct was not a breach of duty or was justified,
  • a “bundled” warning — several accusations in one letter, some of them untrue (this can invalidate the whole letter),
  • the threat of consequences is missing.

Your three options

First: a counter-statement (Gegendarstellung), which the employer must add to your personnel file. Second: demanding removal of an unjustified warning from the file — through the labour court if necessary. Third: consciously doing nothing — sometimes tactically best, if preparing for a possible dismissal matters more.

Which route fits depends on the situation in the company — that is exactly what we assess first.

Important

A warning letter often precedes dismissal

If a dismissal follows, you have only 3 weeks to file a claim. Keep the warning letter and all correspondence — they become key evidence.

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Dr. Artur Barczewski
Dr. Artur Barczewski
Rechtsanwalt · attorney-at-law

Author of this article. Represents clients before courts across Germany. View profile →

This article is for information only and does not constitute legal advice. The law may change — consult a lawyer about your individual case.

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