A warning should identify the conduct, explain the breached duty and make the expected future conduct clear. Vague accusations undermine its purpose.
Evidence and a proportionate response
Create a reliable chronology identifying the conduct, dates, participants and supporting material. Separate facts from assumptions and legal conclusions. Suspicion must not be treated as established misconduct. At the same time, protective duties may justify proportionate interim measures while the facts are investigated.
The investigation should fit its purpose. Consider access rights, data protection, employee participation and an appropriate opportunity to respond. Identify conflicts of interest and who can make decisions. Employment action depends on the relevant duty, fault, seriousness, recurrence and the specific legal conditions. Different remedies may require different evidence.
Documents and practical implementation
Bring incident notes, relevant correspondence, policies and records of measures already taken. Covert recording and indiscriminate data collection may create further legal problems. Once the facts are assessed, set responsibilities, deadlines and communication arrangements. In ongoing conflicts, review whether protective measures work and how new incidents will be addressed.
Four practical examples
These illustrative situations highlight the issues to examine. The outcome depends on the agreement and the facts that can be established.
Example 1
A letter merely alleges poor attitude. Replace the accusation with specific, provable conduct.
Example 2
Several incidents are bundled together. Check each allegation and the consequences of inaccuracies.
Example 3
The employee was never told the relevant rule. Review the duty and prior instructions.
Example 4
The warning threatens dismissal automatically. Ensure the statement reflects the need for a future individual assessment.
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Deutsch · Reviewed on 13 November 2026.