Blog

Articles

Hands typing on a laptop keyboard with overlay graphics of envelope icons symbolising e-Delivery and electronic business correspondence.

Nearly One Year of Mandatory e-Delivery Addresses for Companies Registered in KRS – Still No Sanctions

Nearly a year has passed since e-Delivery addresses became mandatory for companies registered in KRS – yet no sanctions have been introduced. Does that mean businesses can ignore the obligation? We analyse the real risks and explain how to prepare your company for digital communication with public authorities.

Feb 243 min read

Wooden blocks with the letters “KSeF” placed on a desk, with a calculator, an open book, glasses, and a small plant in the background – symbolizing accounting and the mandatory e-Invoicing system.

Some Purchase Invoices May Still Be Received Outside KSeF

Mandatory KSeF does not mean that every purchase invoice must be received exclusively through the system. Find out which documents may still circulate outside KSeF and how to prepare your business for a hybrid model starting 1 April 2026.

Feb 232 min read

Business team analyzing financial data and documents during a meeting with laptops and tablets – compliance and regulatory risk management context.

Is Your Company Ready for the New UOKiK Guidelines on Consumer Protection Fines?

The new UOKiK guidelines redefine how fines for consumer law infringements are calculated. While not a formal source of law, they significantly affect businesses’ financial risk exposure. Learn how penalties will be assessed and what this means for your company.

Feb 174 min read

Scientist wearing laboratory gloves working with a microscope and pipette, analyzing samples in a laboratory; a chemical structure diagram is visible in the background.

Once Again on the R&D Tax Relief in Case Law

Does outsourcing part of research activities eliminate the right to claim the R&D tax relief? A recent judgment of the Administrative Court in Bydgoszcz confirms that it does not – what truly matters is the company’s genuine involvement in the innovation process. Find out what this means for your business.

Feb 133 min read

Close-up of a person’s hands filling out a ZUS form on a blue clipboard placed on a wooden desk. In the background, a calculator, laptop, glasses and documents are visible, creating a professional office environment.

Benefits Collected During Business Activity – How Should They Be Included in Employment Seniority?

Do periods of sickness or maternity benefits collected during sole proprietorship count towards employment seniority? The new provisions of the Labour Code clarify the rules – find out how to correctly interpret Article 302(1) and avoid mistakes in HR practice.

Feb 113 min read

Symbolic view of the health insurance system – a business owner arranging wooden blocks with healthcare, family and medical care icons

Health insurance contribution for lump-sum taxpayers in 2026 – will it get much more expensive?

Health insurance contributions for lump-sum taxpayers will increase again in 2026. Find out how much you will actually pay and how to choose the safest settlement method.

Feb 93 min read

Diagram of the Polish National e-Invoicing System (KSeF) showing the new responsibility architecture, including authorisation management, KSeF certificate, self-billing, invoice verification, the ZAW-FA form, and invoices used outside KSeF.

KSeF – New Rules for Using the System in the Practice of Entrepreneurs and Accountants

The new KSeF regulation goes far beyond technical changes. Learn how the new rules affect authorisations, authentication, and invoice circulation in the daily practice of businesses and accountants.

Feb 23 min read

Business meeting in a modern office – three professionals reviewing a document on a tablet, with a visual overlay of an entry in the National Register of Collective Labour Agreements (KEUZP) showing the message “no registration = no legal effect,” symbolizing the obligation to report collective agreements with trade unions.

Rules for reporting collective agreements with trade unions to the register

New regulations effective from 13 December 2025 introduce mandatory reporting of collective agreements with trade unions. Learn which agreements must be reported, what information is required, and what risks arise from non-compliance.

Feb 23 min read

“KSeF 2026” illustration – a laptop displaying an invoice, a calendar marked “1 February 2026”, NIP, VAT/ID and SME ID identifiers, plus icons for data verification, new identifiers and company preparation.

KSeF and the New Rules for Identifying Transaction Parties on Invoices

From 1 February 2026, new rules for identifying parties on invoices under KSeF will apply. The amended regulations introduce a multi-level identification model and new identifiers subject to technical verification. Find out how to prepare your business for these changes.

Jan 233 min read

Tax documents and financial analyses arranged on a desk, charts and diagrams illustrating tax planning and the 9% preferential CIT rate in the context of business reorganization.

9% CIT after business reorganization – how to correctly determine the moment of applying the preferential rate?

Does an OPE contribution eliminate the 9% CIT rate? Not necessarily. A recent tax ruling confirms that the preference may only be deferred in time. Learn how to correctly determine when the 9% CIT rate becomes available after a business reorganization.

Jan 235 min read

KSeF Regulation – we are learning more and more

KSeF is not only about e-invoicing – it also brings important changes to JPK_VAT. New transaction codes, mandatory KSeF invoice numbers and clear correction rules will become crucial for businesses and accounting offices from February 2026.

Jan 212 min read

Illustration showing a green outline of a house next to a colorful energy efficiency rating scale from A to G, symbolizing a building’s energy performance; a person working on documents is visible in the background.

Thermomodernization relief – can foundation waterproofing be deducted?

Can foundation waterproofing be deducted under the thermomodernization relief? A recent tax ruling confirms that such expenses may qualify. Learn what this means for homeowners in practice.

Jan 212 min read

Analog alarm clock on a wooden desk next to a calendar and notebook, symbolizing work time planning.

Equivalent working time system combined with a flexible (rolling) schedule

A rolling (flexible) working time schedule isn’t limited to the basic system—it can also work well in an equivalent working time system. The key is planning the number of hours per day and accurately recording start times to protect rest periods and avoid organisational risks.

Jan 93 min read

Digital accounting document workflow – business professional using an electronic system to manage and transfer accounting data, JPK reporting obligations from 2026.

Mandatory submission of JPK_PKPIR records and additional ledgers from 1 January 2026

From 1 January 2026, selected PIT taxpayers must keep their ledgers electronically and submit income-tax JPK files after year-end. Learn who is affected, which structures apply (JPK_PKPIR/JPK_EWP and JPK_ST), and why getting your data ready in 2026 matters.