Korean Stock & Equity Research

Investing Guides/Market Mechanics

The most common and costly mistake is failing to file the tax treaty benefit form before dividend payment, resulting in the default 22% withholding rate instead of the 15% treaty rate — a mistake that's fixable but requires a refund claim process most investors would rather avoid. Several other structural mistakes are just as avoidable with basic upfront research. This article is part of our Ult..