The United States had not been enforcing the rule for Canadians who entered via land borders. That is changing amid an escalating fight between the North American neighbors.

The United States will begin enforcing a visitor registration law for Canadians who enter the U.S. via land borders, the New York Times reported on Tuesday, citing officials. (Reporting by Kanishka Singh and Ismail Shakil) Copyright 2025 Thomson Reuters.

President Donald Trump’s administration is preparing a new travel rule that could force Canadians planning to stay in the country for more than 30 days to register their information with the US government and submit to fingerprinting.

The United States is cracking down on long-term visits from Canadians by now requiring visitors in the U.S. longer than 30 days to register with the government.

The United States will start applying a law requiring Canadians to register with the authorities. This applies to citizens visiting the United States for 30 days or more, according to The New York Times.