Publication date: July 07, 2026

At the outset, it should be emphasized that the regulation relating to witnesses in the Act of 29 August 1997, the Tax Ordinance, is laconic.

If a decision is made to take evidence by questioning a witness, the party must be notified of the place and time of the hearing at least seven days in advance. The parties may participate and ask questions during the hearing (Article 190 of the Code of Criminal Procedure).

The doctrine defines a witness as someone possessing knowledge of facts relevant to the case that the tax authority is attempting to reconstruct for the purposes of the proceedings. According to the commentary on the Tax Ordinance, a witness in tax proceedings can be either a person present at an event and thus relying on their personal observations, or one who obtained information indirectly, most often from other people.

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– the first edition of a new nationwide event dedicated to the defence, security and resilience of the state

On June 19-20, 2026, representatives of our law firm will participate in the Warsaw Defense Trade Fair (WTO 2026), which will be held at the EXPO XXI Exhibition Center in Warsaw. This is the first edition of a completely new trade fair and conference event, created in response to the growing importance of the defense sector, national security, and technologies supporting Poland’s institutional, economic, and social resilience. The fair is held under the honorary patronage of the Ministry of Interior and Administration and the Minister of National Defense. The event is informally referred to as a “mini-MSPO in Warsaw” – a capital city-based, intimate alternative to the September International Defense Industry Fair in Kielce, open not only to professionals but also – on the second day – to the general public.

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Publication date: June 18, 2026

On June 19, 2026, representatives of our law firm will participate in the Data Science Summit AI Edition 2026, which will be held at the Palace of Culture and Science in Warsaw. For many years, the event has been one of the most important technology conferences in Central and Eastern Europe, bringing together specialists responsible for the development and implementation of the most advanced solutions based on artificial intelligence, machine learning, and data analysis. It provides a meeting place for the business, technology, scientific, and administrative communities—a space where implementation practice meets regulatory and strategic reflection.

Link to the event: https://ml.dssconf.pl/#agenda

This year’s edition focuses on the most important directions of development of modern artificial intelligence, including, among others, generative AI ( Generative AI), large language models (LLM), GPT systems, AI agents, Agent-to-Agent (A2A) architectures, Context Model Protocol (MCP), reinforcement learning, computer vision, predictive analytics, MLOps, LLMOps, AI governance and broadly understood data-driven business transformation.

The conference is aimed at data scientists, AI experts, data engineers, IT system architects, programmers, cybersecurity specialists, digital transformation leaders, product development managers, public administration representatives, and executives of enterprises implementing AI-based solutions. Speakers will include representatives of global technology companies, international corporations, financial institutions, telecommunications operators, energy companies, research and development organizations, academia, and technology startups – including AI directors, chief system architects, digital transformation leaders, scientists, AI engineers, MLOps experts, cybersecurity specialists, and managers responsible for implementing technological innovations.

The event is distinguished by its practical nature. The program focuses not only on presenting technological innovations, but primarily on showcasing real-world implementations already in place in businesses, public administration, the financial and energy sectors, e-commerce, telecommunications, healthcare, and industry.

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Publication date: June 2, 2026

We are pleased to announce that KG Legal Kiełtyka Gładkowski contributes to techUK’s annual Tech & Innovation Focus Week, taking place from 15–19 June 2026. The initiative brings together industry leaders, technology experts and innovators to discuss the transformative technologies shaping the future of the UK economy.

LINK: https://www.techuk.org/resource/call-for-contributions-techuk-s-2026-tech-innovation-focus-week.html

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Publication date: June 1, 2026

Practical application – the case of a museum as a bidder

Can an entity endowed with a statutory right of first refusal simultaneously influence the price it ultimately pays? In the historical monuments auction market, this question is no longer merely a theoretical dilemma. The active participation of registered museums in auctions, combined with the possibility of later exercising their right of first refusal, raises serious questions regarding auction transparency, the equality of participants, and the limits of permissible exercise of public law rights. This article examines this issue at the intersection of civil law, cultural heritage protection, and fair market principles.

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