RRSP vs. U.S. 401(k) Transfer Rules

Relocating across the US-Canada border presents significant challenges for retirement accounts like the U.S. 401(k) and the Canadian RRSP (Registered Retirement Savings Plan). Managing these accounts incorrectly can lead to double taxation. **Leaving a 401(k) behind in the US:** If you move to Canada, you can choose to leave your 401(k) in the US. Under the US-Canada tax treaty, tax deferral is recognized, meaning you will not pay Canadian tax on the account growth until you make withdrawals. You do not need to report this account on your annual Canadian tax return, though you must disclose it if you meet the threshold for Form T1135. **Transferring a 401(k) to an RRSP:** It is possible to transfer a 401(k) directly to an RRSP under Paragraph 60(j)(ii) of the Income Tax Act. However, this is treated as a taxable distribution in the U.S. and is subject to a mandatory withholding tax of up to 30% by the IRS. You must claim a Foreign Tax Credit (FTC) on your Canadian tax return (Form T2209) to offset this tax liability. The timing and filing of this transition must be managed carefully by a cross-border accountant to ensure you have enough Canadian tax liability to absorb the U.S. tax paid. **First-Year Newcomer RRSP Room:** A major trap for new expats is the RRSP contribution limit. Your RRSP contribution room is based on 18% of your earned income from the *previous* calendar year in Canada. Therefore, during your first calendar year of landing in Canada, your RRSP contribution room is exactly $0. Contributing to an RRSP in your first year will trigger a 1% per month penalty tax on any amount over the lifetime $2,000 buffer.