Korean Income Tax Filing Guide: The Dividend Threshold and IRP/ISA Tax Strategy
The statutory filing window for Korean comprehensive income tax runs from May 1 through May 31 of the following year, with weekends and public holidays rolling to the next business day. In 2026, May 31 falls on a Sunday, so filing and payment continue through June 1.Retirement account tax credits apply up to KRW 9 million, or about $6,500, at 15% for total compensation below KRW 55 million and 12% above that line....