In June of last year, the government passed new amendments to both the Special Economic Measures Act and the Justice for Victims of Corrupt Foreign Officials Act. These amendments give the government the authority to seize and forfeit any assets that are held in Canada by a listed individual or entity. That decision is looked at on a case-by-case basis, and assets in Canada, especially financial assets, are proactively disclosed by financial institutions to the RCMP.
On May 9th, 2023. See this statement in context.