After you file
Tax wise, no. If you're already up to date with filing your tax returns, then there's nothing you need to do. If you still have to file a return for 2024 or a previous year, use the new SIN number.
Tax wise, no. If you're already up to date with filing your tax returns, then there's nothing you need to do. If you still have to file a return for 2024 or a previous year, use the new SIN number.
