Official government portals, professional guides, and essential tools for expat tax planning
Official Portuguese tax portal for IRS filing, NIF registration, and tax payments
Official IRS resources for U.S. citizens and residents living abroad
Form 1116 instructions and downloads for claiming foreign tax credits
Official system for filing Foreign Bank Account Reports (FBAR)
Official Spanish tax authority website for online filings and payments
Information about Schengen area and visa-free travel rules (90/180 days)
Comprehensive tax guides for 150+ countries covering individual and corporate taxes
Database of bilateral tax treaties and international tax agreements
Official U.S.-Portugal tax treaty text and technical explanations
Official IRS yearly average exchange rates for tax calculations
U.S. Social Security benefits for people living outside the United States
European Commission tax policy, VAT, and customs regulations
Learn about filing taxes in Portugal, US expat obligations, and cross-border taxation through these helpful video guides
Portugal Tax Guide
Step-by-step guide to filing your Portuguese tax return online
Expat Tax
Understanding Form 1116 and choosing between Foreign Tax Credit and Foreign Earned Income Exclusion
Portugal Tax Guide
Understanding IFICI tax benefits for skilled professionals and Golden Visa investment options
Nomad Tax
Understanding tax residency rules and the 183-day threshold when living in multiple countries
IRS Guide
How to file FinCEN Form 114 for foreign bank accounts
International Tax
How bilateral tax treaties work to prevent paying taxes twice on the same income
These resources provide general information, but your situation is unique. Use our calculator to get specific tax estimates based on your income and residency.
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