Short Answer
Federal police officers are legally compelled to provide their official identification numbers and the specific statutory basis for executing an identity check. While agents possess wide leeway inside transit hubs, they cannot use ethnicity as the primary selection criterion.
What Most Expats Don't Realize
You were singled out for a thorough luggage and identity inspection on a regional train while surrounding passengers were ignored completely. You complied silently and left the platform without requesting the officers' operational details because you felt intimidated by their uniforms. You lost your legal right to contest the validity of the search because you failed to secure the administrative data needed to file an official supervision complaint.
What To Do
- Ask the inspecting officer directly for their physical "Dienstnummer" badge identification code.
- File a formal "Dienstaufsichtsbeschwerde" service supervision complaint with the Federal Police headquarters.
- "Nennen Sie mir bitte die Rechtsgrundlage für diese Personenkontrolle." (Please state the legal basis for this identity check.) — say this clearly to the officer to force them to log a valid situational justification.
The Truth
Germany permits broad random checks within border zones and designated dangerous areas, giving law enforcement massive operational leeway. The internal complaint framework rarely results in disciplinary action against officers.