International Transaction Filings in Korea: The June Deadline

For a foreign group with a Korean subsidiary, March is the milestone in the year. Once the corporate income tax return has been filed, the tax calendar feels settled. Your accountant confirms that the filing is complete, and that is what gets reported back to head office.

It does not end there. A separate filing obligation falls due three months later.

The gap between March and June

The corporate income tax return is due three months after the close of the fiscal year. For a December year-end, that means the end of March.

The international transaction forms are due three months later again – six months after the close of the fiscal year, or the end of June for a December year-end.

That interval is where filings go missing. Once the March return is out the door, both the company and the adviser treat the year’s filing work as closed. June has already been crossed off the calendar.

Why “does this apply to us?” is the wrong question

These forms apply to companies that transact with an overseas parent or affiliate.

For a foreign-invested company in Korea, there is little to deliberate. A Korean subsidiary with no transactions at all with its parent is close to unheard of in practice. Management fees or royalties paid to the parent, purchases of product from the parent, services rendered back to the parent – the form varies, but at least one of them is always present.

And here is what is most often missed. An international transaction is not confined to trading activity. Loans to and from the parent, capital increases and reductions, transfers of shares – capital transactions fall within scope as well. The moment a company concludes that it has never bought or sold goods with its parent and therefore has nothing to file, the capital transactions, frequently far larger in value, drop out of view entirely.

A small transaction volume is not a safe assumption either. Some of these forms are exempt below a monetary threshold, but not every form carries one. Being small is not, by itself, a basis for concluding that the obligation falls away.

Having transfer pricing documentation is a separate matter

Many groups set transfer pricing policy at head office level and commission a transfer pricing report each year. With group pricing policy documented and a benchmarking study on file, it is natural to conclude that the international transaction side is under control.

Preparing that documentation and filing the forms are two different obligations.

Transfer pricing documentation exists to demonstrate that prices sit within an arm’s length range. It is material you produce when questioned. The international transaction forms are something you submit to the tax authority by a deadline. However thorough the transfer pricing report, if the form was not filed, it was not filed.

If anything, companies with well-maintained transfer pricing documentation are more exposed here rather than less. Once there is a settled sense that transfer pricing is being looked after, a filing obligation sitting separately alongside it tends to disappear from view.

This is not a tax return. It is an information filing.

These forms do not calculate tax. They report to the tax authority what was transacted with the overseas parent or affiliate, and in what amount.

That difference in character produces a difference in consequence. An ordinary tax return filed late attracts interest and penalty tax, and paying the underlying tax largely resolves the matter. These forms work differently. Even where not a single won of tax is payable, and even where the transaction produced a loss, a penalty arises from the simple fact that the form was not filed. It is unrelated to performance, and unrelated to the tax due.

The real risk is that it accumulates quietly

There is one further feature of these filings worth understanding.

Where a Korean company establishes a subsidiary abroad, the position is different. Completing the outbound investment procedure puts that information in front of the tax authority, so a company that fails to file hears about it within the same year, followed shortly by a penalty notice. It stings, but it is over quickly.

The international transaction forms do not behave that way. A failure to file is not immediately visible. No letter arrives. Nothing happens. The company reasonably concludes that all is in order and proceeds the same way the following year.

Two years pass, then three. At some point – a tax audit, or a routine enquiry – the whole thing surfaces at once. What is then at issue is not one year’s form. It is every fiscal year that was missed.

Silence is not evidence of safety. With these particular filings, it tends to mean the opposite.

Why it recurs year after year

International transaction filings frequently sit outside the scope of a standard bookkeeping or advisory engagement from the very beginning. Maintaining monthly records, filing VAT and corporate income tax returns, and fielding day-to-day tax questions is one kind of work; determining which international tax forms apply and preparing them is another.

The difficulty is that this distinction is rarely communicated to the company. The adviser regards it as outside the agreed scope, while the company assumes that having engaged a tax professional, the matter has been dealt with. Neither party has said anything untrue, and yet the work remains undone.

Worth checking

Which check applies depends on where your company stands.

If the company has been operating for several years, begin by confirming whether these forms have actually been filed each year. This is not something the current year settles on its own. Omissions accumulate quietly, so the review has to reach back across prior fiscal years. Asking for copies of the forms as filed is the most reliable way to establish it.

If this is the first year, a single question is enough. Ask whoever handles your Korean tax compliance whether they are aware of this filing, and who will be preparing it.

If a clear answer comes back, there is nothing to worry about. If the question itself is unfamiliar to them, that is your answer. To confirm which forms apply to your Korean entity, please contact Star Tax & Legal at heebong@star-tax.kr.

Topics: International Transaction Filing · Related Party Transactions · Transfer Pricing · Capital Transactions · Administrative Penalties · Corporate Compliance