Amendments to the General Tax Code

9 April 2025 | Knowledge, News, Tax Focus, The Right Focus

The Polish tax system could be in for a revolution. The Ministry of Finance has announced draft changes aimed at simplifying, streamlining and, in some areas, tightening the rules for dealing with the tax authorities. We look at these plans and consider how they may affect the day-to-day operations of businesses. Is this a step towards greater transparency or just another tax hurdle?

Tax proceedings

The planned changes are intended to improve tax proceedings and adapt them to the realities of modern administration.

One of the novelties is the possibility for third parties – who are not parties to the proceedings but are called upon to provide explanations or documents – to act through a general attorney-in-fact.

The regulation is intended to allow general attorneys-in-fact (including professional attorneys) to act on behalf of entities that participate in proceedings but are not parties to them. The purpose of this change is to reduce the need for direct involvement of these entities in contacts with the tax authorities and to facilitate their participation in proceedings, especially for those from outside Poland.

Another important change is the adaptation of the rules to the current Act on Electronic Service of Process. The regulation of this issue is particularly important in the era of widespread digitalisation of contacts with the authorities.

The amendment also provides for a simplification of the procedures relating to powers of attorney – it will be possible for non-professional agents to notify their amendment, revocation or termination. This is a concession to taxpayers who use the services of trusted but non-professional advisors.

In addition, the extension of the possibility to serve hard copies of electronic letters – provided that they bear a qualified electronic seal – is another element in making the system more flexible and should enable the tax authorities to act more quickly and effectively.

Also noteworthy is the proposal for remote hearings of parties and witnesses, which will not only increase accessibility but is also in line with modern working standards in public administration.

Finally, the procedure for the ex officio correction of tax returns will also change. As part of their verification activities, tax authorities will be able to make corrections up to the amount of PLN 10,000 (the previous limit was PLN 5,000), which will significantly speed up the processing of minor inaccuracies and errors without the need to initiate full proceedings.

Clarification of regulations – changes that will affect the way tax is settled

The amendments also clarify a number of existing rules, making tax settlements simpler, more flexible and in line with the latest standards:

  • Enabling the tax authorities to determine more precisely the amount of a refund or excess input tax– the tax authority will be able to determine this amount taking into account the excess that can be deducted in subsequent taxable periods
  • Clarifying the order in which instalment payments and payments of tax arrears are to be set off against individual liabilities
  • Increasing the amount up to which an entity other than a taxable person may pay tax – this will make it easier for entrepreneurs, especially large companies, to manage tax liabilities within groups of companies
  • The possibility of tax being remitted before its due date
  • Simplification of the procedure for claiming overpayments, removing the need to make a claim if the overpayment is due to a correction to a tax return
  • No need to round up interest on late payments
  • Supplementation of the provisions on tax refunds and on interest rates and time limits for the refund of overpayments
  • Possibility of submitting ZAW-NR notifications online and allowing attorneys-in-fact to sign these documents
  • Possibility of correcting the tax return in the event of an overpayment and of submitting a refund application by shareholders/partners of a dissolved company/partnership

The rules for determining limitation periods and reporting MDR tax schemes will also change, which we will analyse in detail in the next issue of Tax Focus.

Any questions? Contact us

Jan Janukowicz

Jakub Dittmer

Latest Knowledge

GLI – AI, Machine Learning & Big Data 2026: The Polish perspective on artificial intelligence law

Global Legal Insights (GLI) is a series of international publications by the Global Legal Group (GLG), authored by legal practitioners from around the world. It offers an up-to-date and highly practical guide to the applicable regulatory landscape, complemented by expert commentary on specific areas of law across different jurisdictions. In short: legislation and actionable know-how in one place.

Banking sector overview | Banking today and tomorrow | May 2026

“The end of the dream of free housing” – this is how the Polish Bank Association (Związek Banków Polskich) has characterised Thursday’s judgments of the Court of Justice of the European Union in cases concerning whether the claims of financial institutions against CHF mortgage borrowers have become time-barred.

Return deposits like VAT? The elephant in the room: the risks of the deposit-return system

The deposit-return system was supposed to be simple. Eco-friendly. Leak-proof. Tax-neutral. However, it took just a few months for serious doubts to emerge. The first loopholes are no longer just theoretical, they are in plain sight. The mechanisms for abuse can be described quite precisely, and the scale of potential losses may be much greater than anticipated. Below, we examine where the system is losing control and how this can be addressed.

NZIA – “Made in Europe” becomes a condition of market participation in the energy sector

The European Union has adopted a strategic course aimed at building its own production capacity in key technology sectors, including energy technologies. This policy is embodied in the Net-Zero Industry Act (NZIA), which redefines the rules of competitiveness, inter alia, in the renewable energy sector. In tenders, auctions and public support schemes, price is no longer the sole criterion for selecting a supplier. The NZIA imposes on contracting authorities and entities administering support schemes an obligation to evaluate bids also on the basis of the origin of the technology and other criteria specified in the Regulation. This change is systemic in nature and will affect all market participants – both producers and purchasers of energy technologies. In this article, I analyse how the new EU regulations will translate into business practice for companies operating in the European market.

WHT – Obligation to verify the beneficial owner status when paying dividends. An advance tax ruling by the Director of the National Revenue Administration Information Centre vs. explanations by the Minister of Finance

A Polish company paying dividends to a foreign parent company based in the EU may be exempt from withholding tax (WHT). When verifying eligibility for this exemption, is the company required to check whether the recipient of the dividend is its beneficial owner (BO)? It transpires that the Director of the National Revenue Administration Information Centre (KIS) and the Minister of Finance offer completely different answers to this question. What does this mean in practice? Let’s take a look.

Banking in 2026: technology, regulation and the new market landscape

The year 2026 will see the banking sector undergo its most dynamic transformation in a decade. The trends identified in Accenture’s Top Banking Trends FY26 report suggest that the sector is entering a phase in which technology and regulation will be inseparable, driving all aspects of change. However, it is regulation that determines the boundaries, pace and manner of implementation for new solutions. We take a look at what else the experts are focusing on.

Contact us:

Jan Janukowicz

Jan Janukowicz

Advocate Trainee / Associate / Tax Law

+48 736 272 203

j.janukowicz@kochanski.pl