Korea Comprehensive Income Tax 2026: Expat Filing Guide — May Deadline, Residency Rules & Double-Tax Treaties
Filing Korea's 2025 comprehensive income tax as a foreigner? The May 31 deadline extends to June 1, 2026 (Sunday rule). Covers 183-day residency test, F-2/F-4/E-7 visa obligations, double-tax treaties with the US, UK, Australia, and how to file on Hometax.
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