@kitten where exactly? It depends, Germany and Switzerland are friendly so an authorization from Switzerland is plausible. There are also a number of railway lines and stations in Switzerland on Swiss territory owned by Germany, including Basel Badischer Bf. This station is Swiss territory, but part of the EU customs area and the land on which it is built is owned by Germany. This arrangement is regulated by a treaty from the 1850s between Switzerland and the Grand Duchy of Baden which remains in force, but I have no idea whether troop movements are included in the right of free passage
@kitten@lis Also since you've been at my place: Remember how we had that small part between Schaffhausen and Zürich that's German?
Jestetten and Lottstetten are German but if you want to reach it by train from Germany you have to take the one from Singen through Schaffhausen in Switzerland. And that train would then continue to Zurich.
On the Singen - Lottstetten part the Germany Ticket is valid, even though it passes through Switzerland (Schaffhausen and Neuhausen). There are agreements between the country and you see German police regularly. They're also regularly get off and on in Schaffhausen but obviously don't have authority on Swiss parts.
@AliciaBytes@kitten this section was funny during the time when wearing a mask on trains was mandatory in Germany but not in Switzerland, German police frequently controlled "domestic" Swiss trains and ended up in quite a few arguments with enraged Swiss people who got fined. The line is actually owned by SBB, whereas the German-owned lines in Switzerland are not in fact owned by DB but by the Bundeseisenbahnvermögen, transferring the German assets to a private company (which was originally planned to be fully privatized) would have been in breach of the treaty
I thought the agreement was that as long as you enter on the swiss part and leave on the swiss part you never leave Swiss ground. And vice versa? Or something? Even if you pass through the other country on this route. At least I thought my GF mentioned something, but might also be completely wrong...
But yeah, regulation in this part must be wonky...
@lis@kitten There's also the municipality of Büsingen am Hochrhein here which is a complete German exclave and completely surrounded by Swiss territory. They also have a bunch of special agreements with Switzerland.
Jestetten and Lottstetten are still connected to the rest of Germany and reachable by car without ever crossing into Switzerland, only by train you are forced to go through Switzerland.
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