Cross-Border Tax Planning Guide: Filing a U.S. Tax Return (Canada-U.S.) Cross-border tax planning is about reducing surprises, avoiding double taxation, and staying compliant in both countries. This planning checklist is designed for individuals with Canada-U.S. connections (moves, workdays, investments, or treaty claims). https://ppatax.blogspot.com/2026/01/cross-border-tax-planning-guide-filing.html