“The new law bars people from making refugee claims if more than a year has passed since their first entry.

The law is retroactive to June 24, 2020, and applies to claims made on or after June 3, 2025.

Bill C-12 also removes the option of making a refugee claim for people who crossed the Canada-U.S. border irregularly after June 2025.”

https://www.cbc.ca/news/canada/bill-c-12-constitutional-challenges-9.7198216