IRP

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. An IRP contribution of KRW 8.4 million, or about $6,100, can therefore generate a tax credit of KRW 1.26 million or KRW 1.008 million.When annual interest plus dividends exceed KRW 20 million, or about $14,500, the comprehensive taxation switch turns on. For US-listed ETFs such as VOO, SCHD, and DGRO, the account wrapper matters more than the ticker label.Failure-to-file penalties are 20%, underreporting penalties are 10%, and late-payment interest runs at 0.022% per day. Delay carries a measurable cost.Rolling ISA maturity proceeds into a retirement account can add 10% of the converted amount, up to KRW 3 million, or about $2,200, to retirement-account contribution creditable amounts. What the chart says first Monthly $30K investment 20-year compound growth simulation 20-year compound-growth simulation for a $220 monthly contribution The chart below shows how wide the gap becomes after 20 years when a $220 monthly contribution compounds at 4%, 7%, and 10%. In this range, compounding and contribution duration create larger numbers than tax optimization alone. Saving about $75 in tax may matter less than keeping the contribution schedule alive for one more year. ...