[interactivecode]

yes you are required to have it on you at all times, it's not just for border crossings. It's the only valid id outside of your own country.

[schoen]

But not every country requires people to carry IDs at all times, and even countries that do may not punish tourists for having some other form of ID plus a willingness to retrieve their passports if necessary.

[ourmandave]

This was definitely true when I stayed at the Castle Wolfenstein Airbnb.

[kingofpandora]

That's not at all true.