In Germany, whether you need to validate (stamp) your train ticket depends entirely on the type of ticket you purchased and the region you are in. For long-distance trains like the ICE (Intercity-Express), validation is generally not required because tickets are either digital or printed with a specific date and train time. However, for local transit (S-Bahn, U-Bahn, trams, and buses) in cities like Munich or Berlin, many tickets are "open" and do not have a start time. These must be physically validated in a small machine, often located on the station platform or inside the vehicle, before boarding. These machines, called Entwerter, stamp the date and time on the ticket. Failure to validate an open ticket is considered fare evasion and can result in an immediate fine of at least €60, even for tourists who claim ignorance. If your ticket has a "Valid from" date and time printed on it, you are usually safe, but if there is a blank space or an arrow saying "Bitte hier entwerten," you must find a machine to avoid a stressful encounter with a ticket controller.