Retail standards are entering a new phase as cloud, mobile technologies and AI reshape how systems communicate. Fiscal Solutions’ webinar explored the evolution from UPOS and POSLog to digital receipt standards, retail ontology and AI-ready models designed to support the next generation of global retail. Retail technology has changed dramatically over the past three decades, yet many standar... Read more

Poland is preparing changes to the technical requirements for cash registers ahead of 1 January 2027. The changes will remove cash-register invoice functions and align fiscal devices with the end of transitional KSeF rules, while fiscal receipts and CRK reporting remain in place. Poland is preparing amendments to the technical requirements applicable to cash registers (as part of the transition to... Read more

Retail technology doesn’t work without standards. Behind POS systems, eReceipts, and the technologies connecting the retail ecosystem are standards that have evolved for decades—from OPOS and ARTS to today’s landscape. What’s next? In this webinar, Roland Zališevskij, Co-Founder of Fiscal Solutions, explores the evolution of retail standards.

The 3rd Annual Community Day on October 15, 2026, at Mona Plaza Belgrade focuses on fiscalization. No sales pitches or commercial agendas allowed. We are pleased to announce Community Day 2026! This is the 3rd annual edition of our community event. 📅 October 15, 2026📍 Mona Plaza Belgrade A unique gathering for the fiscalization and retail technology community. Focused on knowledge sharing, i... Read more

A fiscal transaction counter sounds simple—until it meets the reality of modern retail. POS systems often count much more than sales, creating gaps that can become a serious problem for tax authorities. Add cloud POS, e-commerce, offline operation, retries and multiple checkout channels, and a simple sequence of numbers quickly becomes a complex compliance architecture challenge. A simple se... Read more

This series of instructional videos provides an insight into the Polish fiscalization system. Legal and technical aspects of the Polish fiscalization system are presented, and divided into appropriate topics.

The Polish Sejm approved VAT Act amendments to simplify compliance, clarify rules, and enhance the VAT system.Main changes affect reporting, registration, and verification, reducing administrative burdens and aligning with CJEU case law. Implementation begins October 1, 2026. The Polish Sejm has approved amendments to the VAT Act and the Tax Identification Number Act, introducing a broad package o... Read more

From April to December 2026, Polish taxpayers can issue invoices outside KSeF under PLN 10,000. From April 1 to December 31, 2026, Polish taxpayers with monthly gross invoiced sales of no more than PLN 10,000 (approx. €2,313.20) may issue invoices outside KSeF. Only invoices that would normally fall within the mandatory KSeF scope count toward the threshold. Cash register sales, receipts up... Read more

Poland's Finance Ministry released KSeF version 5.5.1.v1, refining its API, removing error codes, and adding new authorisation options. The Polish Ministry of Finance has released version 5.5.1.v1 of the KSeF e-invoicing technical specification, refining the API interface ahead of the mandatory rollout. The changes refer to: Error code removal: Error code 99 for HTTP 400 (Bad Request) response... Read more

Starting January 1, 2027, invoices will be issued exclusively via KSeF, with consultations held for proposed changes and token management. Starting January 1, 2027, invoices will no longer be issued through cash registers. Instead, they must be issued exclusively via the KSeF system- e-invoicing system. To prepare for this change, the Ministry of Finance and Economy of Poland has published a draf... Read more

Fiscalization has transformed from a compliance tool reliant on hardware to dynamic, software-driven platforms linking businesses and tax authorities. The webinar was presented by Dušan Bučevac, Sales Manager at Fiscal Solutions, who covered crucial fiscalization milestones and explained how real-time data has reshaped compliance, transparency, and business decision-making. Read more