International Taxes

W-8ECI vs. W-8BEN: Tax Math, Commitments, and Wrong-Form Risks

Italian Dual Citizenship Taxes: Residency, Quadro RW, and Treaty

IRC 1296: The Mark-to-Market Election for PFIC Stock

Form 5471 Filing Requirements: Categories, Penalties, and Relief

Form 5472 Late Filing Penalty: $25,000, Relief, and Liens

When Is Form 3520 Due? Deadlines, Extensions, and Penalties

US–Cyprus Tax Treaty: Credits, Exclusions, and Reporting

What Is Tax Nexus in Canada for Businesses?

Substitute Form W-8BEN: Validity, Fields, and Electronic Use

What Is Section 267(a)(3)? Matching Rule and Accrual Exceptions