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Cross-border filing basics

Foreign tax credits and Form 1116, exchange rates, filing deadlines in both countries, capital gains and cost basis, investment income, crypto, estimated payments, penalties, audits, and amended returns.

28 guides, each written by a CPA licensed in the US and Canada.

Cross-Border

Alternative Minimum Tax (AMT): How It Works Cross-Border Between Canada and the US

Both countries have an AMT. Canada overhauled its version in 2024. That parallel calculation is the alternative minimum tax.

Aug 30, 2026
Cross-Border

Amending Cross-Border Tax Returns: 1040-X and T1-ADJ

Amending a cross-border return is never a one-country event. If the US return changes (higher or lower income, different FTC, corrected filing status).

Aug 30, 2026
Cross-Border

Canada vs US Tax Rates: A Side-by-Side Comparison

Canadian tax rates are higher at most income levels, but the real comparison includes provincial and state tax, sales tax, healthcare costs, and credits.

Aug 21, 2026
Cross-Border

Capital Gains Tax: Canada vs the US Compared

Canada and the US both tax capital gains, but the mechanics differ enough that the same sale can produce very different results depending on which country.

Aug 30, 2026
Cross-Border

Capital Loss Carryforward Cross-Border: Canada-US

Both Canada and the US allow capital losses to offset capital gains, with unused losses carrying forward to future years.

Aug 30, 2026
Cross-Border

Cost Basis vs Adjusted Cost Base: Cross-Border Canada-US

The US uses cost basis (with step-up at death); Canada uses adjusted cost base (with deemed disposition at death). Covers treaty provisions, foreign tax.

Aug 30, 2026
Cross-Border

Cross-Border Dividend Tax: Canada-US Treaty Rates and Credits

The treaty rate on dividends is 15% for portfolio investors and 5% for corporate shareholders who own at least 10% of the voting stock.

Aug 30, 2026
Cross-Border

Cross-Border Penalty Coordination: Owing Penalties in Both Countries

Owing penalties to both the IRS and CRA at the same time. If you filed your Canadian return late, you owe the CRA a late-filing penalty.

Aug 27, 2026
Cross-Border

Cross-Border Retirement Withdrawals: Tax on RRSP, 401(k), IRA, and Pension When You Live in the Other Country

Withdrawing from a retirement account in one country while living in the other triggers withholding, income inclusion, and a foreign tax credit.

Sep 4, 2026
Cross-Border

Cross-Border Tax Audit: How the CRA and IRS Share Information

The CRA also receives reciprocal data from the IRS on Canadian-resident accounts held at US financial institutions. Covers treaty provisions, foreign tax.

Aug 30, 2026
Cross-Border

Cross-Border Tax Filing Deadlines: Canada and US

Canadian returns are due April 30, US returns April 15. Extensions, FBAR, and form-specific deadlines all differ. Here is the full calendar.

Aug 30, 2026
Cross-Border

Cryptocurrency Tax for Cross-Border Canadians and Americans: How Both Countries Tax Crypto

Both Canada and the US tax cryptocurrency dispositions as capital events. Cross-border holders face additional reporting on foreign exchanges, FBAR.

Sep 4, 2026
Cross-Border

Currency Conversion and Exchange Rates on Cross-Border Tax Returns

Which exchange rate to use, when to use it, and where the CRA and IRS disagree. The CRA wants Canadian dollars. Covers treaty provisions, foreign tax.

Aug 30, 2026
Cross-Border

Estimated Tax Payments and Instalments: Cross-Border Between Canada and the US

The US uses quarterly estimated payments. Canada uses instalment notices. Here is how both systems work when you file in both countries.

Aug 30, 2026
Cross-Border

Foreign Tax Credit Carryforward and Carryback

When Canadian taxes paid exceed the US tax on the same income, the excess foreign tax credit does not disappear. Covers key rules, filing requirements,.

Aug 30, 2026
Cross-Border

Foreign Tax Credit Limitation and Carryover: When You Can't Use All of It This Year

The foreign tax credit (FTC) eliminates double taxation by crediting foreign income taxes paid against the US tax on the same income.

Aug 30, 2026
Cross-Border

Form 1116: Why Isn't My Foreign Tax Credit Dollar for Dollar?

Because the credit is capped, not at the Canadian tax you paid, but at the US tax attributable to your foreign-source income.

Aug 21, 2026
Cross-Border

Home Office Deduction Cross-Border: Canada-US Rules

Canada allows employees and self-employed individuals to claim home office expenses under ITA 8(13) (employees) and ITA 18(12) (self-employed).

Aug 30, 2026
Cross-Border

How Do I Report Cryptocurrency on Both Sides of the Border?

Every crypto disposal is taxable in both countries, but cost basis, inclusion rates, and reporting forms differ. Covers treaty provisions, foreign tax.

Aug 21, 2026
Cross-Border

How Far Back Can the IRS Audit? The 3-Year, 6-Year, and No-Limit Rules

The IRS has three years to audit your return, six years if you omit more than 25% of gross income, and no time limit for fraud or unfiled returns.

Aug 24, 2026
Cross-Border

IRS and CRA Penalties for Late Filing: Cross-Border Guide

The penalty landscape for cross-border filers. FBAR, Form 5471, Form 3520, late returns, and the CRA equivalents. Covers treaty provisions, foreign tax.

Aug 30, 2026
Cross-Border

Selling a Cross-Border STR: The Exit Checklist

Selling a US vacation rental as a Canadian resident triggers filings on both sides of the border, and the sequencing matters.

Aug 27, 2026
Cross-Border

Standard Deduction vs Itemizing for Cross-Border Filers

When you can claim the standard deduction as a cross-border filer, when you must itemize, the NRA and dual-status rules, and the SALT cap on state taxes.

Aug 30, 2026
Cross-Border

State Income Tax for Cross-Border Workers: Canada-US

Federal taxes are only half the story. The Canada-US tax treaty coordinates federal taxation between the two countries. Covers treaty provisions, foreign.

Aug 30, 2026
Cross-Border

Tax Debt and Collections Cross-Border: Can the CRA or IRS Collect Across the Border?

The CRA and IRS can help each other collect tax debts under the treaty's mutual collection assistance article. Covers treaty provisions, foreign tax.

Aug 30, 2026
Cross-Border

The One Big Beautiful Bill: what changed for Canadians with US income?

The One Big Beautiful Bill made TCJA rates permanent and raised the estate exemption to $15 million. Here is what changed for cross-border filers.

Aug 18, 2026
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Wash sale vs superficial loss: cross-border guide

How the US wash sale rule and Canada's superficial loss rule interact for cross-border investors harvesting tax losses across both countries.

Aug 27, 2026
Cross-Border

Year-End Tax Planning for Cross-Border Filers: Canada-US Checklist

Cross-border filers have year-end planning opportunities in both countries, and the deadlines do not always align. Covers treaty provisions, foreign tax.

Aug 30, 2026

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