Finance

Poland is not working on tax on interest from banks' required reserves, ministry says

Published by Global Banking & Finance Review

Posted on August 22, 2025

2 min read

· Last updated: January 22, 2026

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Poland is not working on tax on interest from banks' required reserves, ministry says
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WARSAW (Reuters) -Poland's Finance Ministry said on Friday it was not working on a previously floated idea of taxing interest on banks' required reserves, as banks' shares tumbled following an

Poland's Finance Ministry Abandons Tax on Bank Reserves Interest

Poland's Taxation Plans for Banks

WARSAW (Reuters) -Poland's Finance Ministry said on Friday it was not working on a previously floated idea of taxing interest on banks' required reserves, as banks' shares tumbled following an announcement of plans to hike the corporate income tax they pay.

Impact on Bank Shares

Warsaw's WIG Banks index fell about 8% in morning trade on Friday after the ministry said Poland planned to raise the corporate income tax levied on banks to 30% in 2026, from the current 19%, to finance increased defence spending.

Future Corporate Tax Rates

The rate would be lowered to 26% in 2027 and further to 23% in subsequent years, the ministry said.

Analyst Insights

In June, Finance Minister Andrzej Domanski said the ministry was working on a new tax which could target interest on required reserves held in the central bank, potentially bringing in 1.5 billion-2.0 billion zlotys ($408 million-$544 million).

However, the ministry said in a post on X on Friday that it was "not currently working on the previously considered solution regarding the taxation of mandatory reserves held at the National Bank of Poland".

Erste Securities analyst Lukasz Janczak said that plan would have had a less severe impact on banks' profits than the increase in corporate income tax, which was announced by the Finance Ministry on Thursday.

It said the changes to corporate income tax for banks would increase revenues by about 6.5 billion zlotys in 2026.

($1 = 3.6759 zlotys)

(Reporting by Alan Charlish and Marta Maciag;Editing by Helen Popper)

Key Takeaways

  • Poland's Finance Ministry is not pursuing a tax on bank reserves interest.
  • The corporate income tax for banks will rise to 30% in 2026.
  • WIG Banks index fell 8% following the tax announcement.
  • The tax rate will decrease to 26% in 2027 and 23% later.
  • The tax changes aim to increase defense spending revenue.

Frequently Asked Questions

Is Poland planning to tax interest on banks' required reserves?
No, Poland's Finance Ministry stated it is not currently working on a tax for interest on banks' required reserves.
What is the planned corporate income tax rate for banks in 2026?
The corporate income tax for banks is set to increase to 30% in 2026, up from the current 19%.
How did the announcement affect bank shares in Poland?
Following the announcement, Warsaw's WIG Banks index fell about 8% in morning trade.
What revenue increase is expected from the corporate tax changes?
The changes to corporate income tax for banks are expected to increase revenues by about 6.5 billion zlotys in 2026.
What did Finance Minister Andrzej Domanski say about the new tax in June?
In June, he mentioned that the ministry was considering a new tax targeting interest on required reserves, potentially generating 1.5 billion to 2.0 billion zlotys.

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