Articles

IRS Form 8898: Statement for individuals who begin or end bona fide residence in a US territory

The Form 8898 IRS page covers taxpayers who take the position that they became or ceased to be bona fide residents of 1 of 5 US territories. As of August 2026, the current IRS form and instructions are still the October 2024 revision, which added an online, mobile-friendly submission option. The filing rule turns on both a residency-sta...

Foreign owned single member LLC: 2026 tax and filing requirements guide

A foreign owned single member LLC is one of the most common US business structures used by non-resident investors and entrepreneurs, and also one of the most misunderstood at tax time. A foreign single member LLC is simple to form, but the IRS reporting rules that apply once a foreign person owns it are strict; the penalties for missing them are ...

Form 1120-F instructions for foreign corporations in the US

Form 1120-F is the US income tax return for a foreign corporation with specified US activity or income. For a 2025 calendar-year filer, the main 2026 deadline is April 15 with a US office or June 15 without one. Missing a timely return can cost ECI deductions. File Form 1120-F when a foreign corporation has a US trade or business, certa...

What triggers an IRS audit? 12 common triggers for US expats

An IRS audit trigger is a return feature that can lead to further review, such as a data mismatch or missing form. For 2025 expat returns filed in 2026, IRS audits may start through computer screening, information...

GILTI tax (NCTI): Global Intangible Low Taxed Income definition, calculation, and example

The GILTI tax – Global Intangible Low-Taxed Income – is a US minimum tax on the active earnings of foreign corporations controlled by US shareholders. The One Big Beautiful Bill Act renamed GILTI to “net CFC tested income” (NCTI) for tax years beginning after December 31, 2025, broadened the taxable base, and rai...

Form W-8IMY: Complete guide for foreign intermediaries and flow-through entities (2026)

Form W-8IMY is the IRS certificate that foreign intermediaries, flow-through entities, and certain US branches use to document their status and pass along beneficial owner information to withholding agents. If your entity receives US-source income on behalf of others, this is the form that tells the withholding agent who stands behind t...