Through an anonymous hotline you can report any unethical, illegal or suspicious disclosure (for example: documentation fraud, privacy breach, corruption, conflict of interest, unfair behaviour, etc.).
You can call the anonymous hotline:
Autoanswer: 0322 444 909 (from landline and mobile phones)
Secured electronic form (fill out the form)
The anonymous hotline is not designed to handle personal complaints, service quality remarks, and other technical flaws.