When is a municipal guard entitled to check your ID?

Check documents in order to:
- identify a person suspected of commiting a crime or a an offense and caught red-handed 
- determine witnesses of events.

A guard cannot check documents for reasons different than the ones mentioned above. Before beginning of a search, a municipal guard is obliged to specify his or her rank, give name and surname, and provide the cause of the check. Identity may be determined on the basis of a document with a picture (an ID card, a passport etc.), or on the basis of a statement of another person, identity of whom has been determined on the basis of a relevant document.