US Expats Must Document Worldwide Income for IRS, Accountant Says
Zephyrhills – October 17, 2026 -- US citizens abroad must report worldwide income to the IRS and back it with records of earnings, business transactions and financial accounts, according to a HelloNation article featuring accountant Nils Lenz of Zephyrhills, Florida.
Federal tax obligations follow US citizens overseas
The article states that federal tax obligations apply to all US citizens regardless of residence. Expatriate business owners may need foreign tax returns, proof of taxes paid in another country and records tied to foreign bank accounts. Some must also file the Foreign Bank Account Report once certain financial thresholds are met.