Probably a bit like this.

https://en.wikipedia.org/wiki/Haskell_Free_Library_and_Opera...

> Until 2025, patrons from Canada were permitted to enter the United States door without needing to report to customs by using a prescribed route through the sidewalk of rue Church (Church Street), provided that they return to Canada immediately upon leaving the building using the same route.

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sidewndr46 3 days ago | parent [-]

it says "most Canadians from entering via the main entrance in March 2025, except for Canadian patrons with a library card" - this is probably the only documented case of a library card being valid for international travel

	▲	9rx 3 days ago \| parent [-]
		Remember when you could travel between USA and Canada with nothing more than a nod? Such a sad state of affairs we've found ourselves in nowadays.