Withholding tax on cross-border payments from Poland

A German parent company receives a dividend from its Polish subsidiary. The payment looks routine. Then the Polish tax authority issues a surcharge notice – because the subsidiary applied a treaty rate without completing the required due diligence procedure, and the exemption was denied retroactively. The entire withholding tax liability, plus interest, falls back on the Polish payer.

Polish withholding tax (podatek u źródła, WHT) applies to cross-border payments of dividends, interest, royalties, and certain service fees made by Polish-resident payers to foreign recipients. The standard domestic rates are 19% on dividends and 20% on interest and royalties. A reduced treaty rate or exemption is available only when the payer completes a mandatory verification procedure – and failure to do so triggers full domestic-rate liability, interest, and potential personal liability of the management board.

This page explains the Polish WHT framework from the payer's perspective: the regulatory structure, the pay-and-refund mechanism, treaty and directive exemptions, transfer pricing interactions, and the self-assessment steps every Polish entity should complete before the next cross-border payment leaves the account.

What does Polish withholding tax law actually require?

Polish corporate income tax legislation imposes WHT on passive income paid to non-residents. The obligation sits with the Polish payer, not the foreign recipient. Dividends attract a 19% rate; interest and royalties attract 20%. Certain technical and management service fees paid to related parties also fall within the WHT net at 20%.

The Krajowa Administracja Skarbowa (National Revenue Administration, KAS) enforces these obligations through audits, binding rulings, and – increasingly – automated cross-referencing of payment data with JPK reporting. The Naczelny Sąd Administracyjny (Supreme Administrative Court, NSA) has consistently held that the payer bears the full economic risk of a misapplied exemption. That risk is not theoretical: WHT surcharges routinely exceed PLN 500,000 for mid-size groups.

Two parallel relief mechanisms exist. First, bilateral double taxation treaties (Poland has over 80 in force) reduce or eliminate WHT on dividends, interest, and royalties. Second, the EU Parent-Subsidiary Directive and the Interest and Royalties Directive provide exemptions for qualifying intra-EU payments. Both mechanisms require active verification by the payer – they are not self-executing.

• Dividends: 19% domestic rate; treaty rates typically 5–15%; Parent-Subsidiary Directive exemption at 0% where qualifying conditions are met
• Interest: 20% domestic rate; most treaties reduce to 5–10%; Interest and Royalties Directive exemption at 0% for qualifying EU recipients
• Royalties: 20% domestic rate; treaty rates typically 5–10%; Interest and Royalties Directive exemption at 0%
• Management and technical service fees: 20% domestic rate; treaty relief depends on treaty classification (business profits vs. royalties)

The Ministerstwo Finansów (Ministry of Finance) publishes guidance on due diligence standards, but that guidance does not substitute for a transaction-specific analysis. Each payment type requires its own treaty or directive assessment.

When does the pay-and-refund mechanism apply – and what does it cost?

For payments to a single foreign recipient exceeding PLN 2 million in a calendar year, Polish law imposes a mandatory pay-and-refund (pay-and-claim) regime. The payer must withhold at the full domestic rate – 19% or 20% – regardless of any treaty entitlement. The foreign recipient (or the Polish payer acting on its behalf) then applies to the Naczelny Urząd Skarbowy Warszawa-Śródmieście (Warsaw-Śródmieście National Tax Office) for a refund of the excess withheld.

The refund procedure takes up to six months. That is a material cash-flow cost for any group with regular intercompany flows. The foreign recipient must supply a certificate of tax residence, a beneficial ownership declaration, and documentation demonstrating that it satisfies the substance requirements for the treaty or directive benefit claimed. Missing any single element suspends the refund clock.

Two escape routes exist from the pay-and-refund obligation. The payer may apply for a WHT opinion (opinia o stosowaniu preferencji) from the KAS. A valid opinion permits direct application of the reduced rate for up to 36 months. Alternatively, the payer's management board may file a formal statement accepting personal liability for the correctness of the WHT position. Both routes require thorough preparation – and both are scrutinised closely on audit.

We secured a reversal of a WHT surcharge exceeding PLN 1.8m for a manufacturing group in the Mazowieckie region (autumn 2025). The original assessment had denied a treaty exemption on royalty payments because the payer's due diligence file lacked a substance analysis of the Dutch recipient. A reconstructed file and NSA-aligned argumentation produced a full reversal at the objection stage.

The financial exposure is compounded by the interest rate on tax arrears – currently 8% per annum – and by the possibility that the KAS will apply the general anti-avoidance rule (klauzula ogólna przeciwko unikaniu opodatkowania, GAAR) to reclassify the payment structure. A GAAR challenge forfeits the treaty benefit entirely and may trigger additional penalty surcharges of 10–40%.

How do beneficial ownership and substance requirements affect treaty relief?

Polish WHT legislation incorporates a beneficial ownership test. The foreign recipient must be the true beneficial owner of the payment – not a conduit passing funds to a third-country ultimate beneficiary. Polish courts and the KAS increasingly apply a substance-over-form analysis, examining whether the recipient has real economic activity, decision-making capacity, and adequate staffing in its country of residence.

The beneficial ownership test is most aggressively applied to royalty payments routed through low-substance holding structures and to back-to-back loan arrangements where interest passes through a Luxembourg or Netherlands SPV. A foreign recipient that cannot demonstrate genuine economic substance risks losing the treaty rate retroactively. That loss precludes any refund already received and may trigger criminal tax liability for the Polish payer's management board.

Transfer pricing rules interact directly with WHT. Related-party payments – dividends aside – must be priced at arm's length. An inflated royalty or management fee, even if structured to access a 0% treaty rate, may be partially disallowed under transfer pricing rules. The residual disallowed amount is then subject to WHT at the full domestic rate. Clients with KSeF obligations in Germany often encounter this issue when intercompany service fees are re-examined during WHT audits.

Our team obtained a favourable WHT opinion for a technology company in Lower Silesia (spring 2026), covering EUR 3.2m in annual software licence payments to a US licensor. The application required a detailed substance analysis of the US entity, a treaty classification memorandum, and a transfer pricing benchmark study – all submitted within a 90-day KAS review window.

What are the practical pitfalls for foreign investors and Polish subsidiaries?

Foreign investors structuring Polish operations frequently underestimate WHT exposure at the entry stage. The most common pitfall is assuming that a treaty rate applies automatically once a tax residency certificate is obtained. It does not. Polish law requires the payer to conduct due diligence proportionate to the payment amount and structure. That due diligence must be documented and retained for at least five years.

A second pitfall arises from the interaction between WHT and IP Box relief. A Polish company claiming IP Box on qualifying intellectual property income reduces its effective CIT rate to 5%. But if the same IP is licensed to a foreign affiliate and royalties flow outbound, WHT applies on the gross outbound royalty payment – not on the IP Box-adjusted net. Groups that model only the inbound IP Box benefit without accounting for the outbound WHT cost frequently find their effective tax rate higher than projected. Understanding DORA compliance obligations is a separate but equally time-sensitive priority for financial entities making cross-border payments to technology service providers.

A third pitfall is the calendar-year payment aggregation rule. The PLN 2 million pay-and-refund threshold applies per recipient per calendar year. Groups that spread payments across multiple Polish entities to stay below the threshold may find that the KAS aggregates those payments and imposes the pay-and-refund obligation retroactively. Structuring around the threshold without a substantive business rationale triggers GAAR risk.

• Obtain and retain a valid tax residency certificate for every payment period
• Document the beneficial ownership analysis for each foreign recipient
• Assess the PLN 2 million threshold at the start of each calendar year
• File for a WHT opinion at least 90 days before the threshold is expected to be crossed
• Maintain transfer pricing documentation aligned with WHT positions

Family foundations (fundacje rodzinne) established under the 2023 legislation present a specific WHT issue. Distributions from a Polish family foundation to foreign beneficiaries are treated as dividends for WHT purposes. The tax advisor Warsaw-based groups use must ensure that the foundation's distribution policy accounts for the WHT cost at the outset – not after the first distribution triggers a KAS query.

How should the cross-border payment process be structured to minimise WHT exposure?

Effective WHT planning starts before the first payment, not after the first audit. The payer should map every category of outbound payment – dividends, interest, royalties, service fees – and assign a treaty or directive analysis to each. That analysis must be refreshed whenever the recipient's structure, substance, or ownership changes.

For groups with regular intercompany flows above PLN 2 million per recipient, the WHT opinion route is almost always preferable to the pay-and-refund procedure. The 36-month validity period provides planning certainty. The application cost – typically legal and advisory fees in the range of PLN 30,000–80,000 depending on complexity – is a fraction of the cash-flow cost of six months of withheld funds. For clients with operations in Slovakia, understanding KSeF implications for Slovak operations is a useful parallel compliance exercise when reviewing cross-border payment structures.

The management board statement route is faster but riskier. Board members who sign the statement accept personal liability for any WHT shortfall. That liability is unlimited and survives resignation from the board. It should only be used where the WHT position is thoroughly documented and the payer is confident in the substance of the foreign recipient.

Three business scenarios illustrate the decision matrix:

• Manufacturing group (Silesia): Annual royalty payments to a German IP holding company of EUR 4m. WHT opinion applied for 90 days before threshold crossing. Opinion granted; 5% treaty rate applied for 36 months without pay-and-refund obligation.
• IT company (Małopolska): Monthly management fees to a Cyprus parent below PLN 2m individually but aggregated by KAS across two Polish subsidiaries. Pay-and-refund imposed retroactively; substance analysis of Cyprus entity commissioned urgently to support refund application.
• Foreign investor (Pomerania): Dutch holding company receiving dividends from Polish operating subsidiary. Parent-Subsidiary Directive exemption applied; due diligence file prepared at incorporation stage, updated annually. Zero WHT paid over three years.

Polish tax law also provides a mechanism for advance pricing agreements (uprzednie porozumienia cenowe, APA) that can lock in the transfer pricing basis for related-party payments and, by extension, the WHT-applicable amount. For groups with recurring intercompany flows exceeding EUR 5m annually, an APA combined with a WHT opinion provides the highest level of planning certainty available under current Polish tax law.

What to prepare before your next cross-border payment?

The checklist below applies to any Polish entity making regular outbound payments to foreign recipients. Completing these steps before the payment date – not after – is the difference between a clean compliance position and a six-figure surcharge notice.

• Map all outbound payment categories and identify the applicable treaty or directive for each recipient
• Obtain a current tax residency certificate (valid for the payment year) from each foreign recipient
• Prepare a beneficial ownership and substance analysis for each recipient, proportionate to payment size
• Calculate cumulative payments per recipient for the calendar year and flag those approaching PLN 2 million
• File a WHT opinion application or prepare a board statement for payments expected to exceed the threshold

The KAS has significantly increased WHT audit activity since 2024. Automated data matching between JPK_VAT, CIT returns, and payment transfer records means that discrepancies are identified faster than at any previous point. Groups that have not reviewed their WHT compliance since 2022 should treat this as an urgent priority – not a deferred one.

Specific situations require immediate attention. If your Polish entity has made outbound payments to a recipient that changed its corporate structure, ownership, or jurisdiction of residence in the last 24 months, the existing WHT analysis may no longer be valid. An outdated analysis that precludes a timely correction is among the most avoidable – and most expensive – WHT errors we encounter.

To receive an expert assessment of your Polish WHT exposure and a transaction-specific compliance plan, contact info@kordeckipartners.com.

Frequently asked questions

Q: Does the PLN 2 million pay-and-refund threshold apply per payment or per year?

A: The threshold applies per foreign recipient per calendar year, aggregating all payments of the same category – dividends, interest, royalties – made by the Polish payer. Once cumulative payments to a single recipient exceed PLN 2 million in a given year, the pay-and-refund obligation applies to the entire amount, including payments already made below the threshold. Planning the payment schedule at the start of the year is therefore essential.

Q: How long does a WHT refund procedure take, and what documentation is required?

A: The KAS has up to six months to process a WHT refund application. Required documentation typically includes the foreign recipient's tax residency certificate, a beneficial ownership declaration, financial statements demonstrating substance, and evidence of the legal basis for the treaty or directive benefit claimed. Incomplete applications restart the review clock. Engaging a tax advisor with WHT refund experience at the application stage – rather than after a rejection – reduces processing time materially.

Q: Is it true that a valid tax residency certificate is sufficient to apply a treaty rate?

A: This is one of the most common misconceptions in Polish WHT practice. A tax residency certificate confirms that the recipient is a tax resident of a treaty country. It does not establish beneficial ownership, substance, or entitlement to the specific treaty benefit claimed. Polish law requires the payer to conduct due diligence that goes beyond certificate collection. The KAS regularly challenges WHT positions where the payer relied solely on a residency certificate without a substance or beneficial ownership analysis.

Your company's specific WHT situation depends on the payment type, the recipient's structure, and the cumulative payment volume. An incorrect position forfeits the treaty benefit and triggers interest that compounds from the original payment date – an irreversible consequence once the audit window closes.

To discuss how Polish WHT rules apply to your group's cross-border payment structure, email info@kordeckipartners.com. Our tax team will review your payment map, identify threshold risks, and prepare or update the documentation required for a defensible compliance position.

KORDECKI & Partners is a law firm based in Warsaw and Krakow, advising business clients across 30 jurisdictions. Our team combines expertise in Polish and international law with a practical approach to withholding tax compliance, cross-border payment structuring, and tax controversy. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. To discuss your situation, contact info@kordeckipartners.com.

Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. KORDECKI & Partners assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@kordeckipartners.com.