Fiscal subject related
Firstly, you will need a PC,an integratedan integrated an integrated POS (point-of-sale) system,system,system, ora compatiblea compatible a compatible mobile device.
Secondly, a reliable internet connection is essential for your PC, POS system, or mobile device. In the event of an internet outage, you can still issue receipts, but you must report these receipts to the tax authority within two days. Strict adherence to this reporting requirement is crucial. The cash register has to be set up and be able to communicate with the authority in real-time.
The last element needed is the digital certificate, issued by FINA (Financial Agency), which is a digital certificate that verifies your company's identity. The certificate is valid for five years. Once obtained, a single digital certificate can be used for multiple POSs within the same business.
Other news from Croatia
New document was uploaded: Fiscalization - Technical specification for users (HR)

This technical specification outlines the procedures for integrating with the Croatian Tax Administration’s Fiscalization Information System (CIS). It defines how businesses must electronically submit invoices, self-service transactions, and tips (gratuities) in real time using XML messages over secure web services. Read more
New document was uploaded: S4F backoffice patch
S4F backoffice patch is intended for users who have already installed S4F backoffice and are intended to update existing installations to latest version. To do so apply only patches that are marked with version number that is newer than your currently installed instance of backoffice. Read more
Overview: New Draft of the New Fiscalization Act in Croatia – Key Changes

Croatia has released a draft of the new Fiscalization Act for public consultation, proposing major changes for both B2C and B2B transactions. All invoices issued to consumers must now be fiscalized, regardless of payment method—including online payments via Stripe, PayPal, or bank transfers. Read more
TLv6 Implementation Marks Significant Shift in EU’s Trust List Format
A new EU Trust List format, TLv6, will officially replace TLv5 in May 2025 as part of the updated eIDAS Regulation (EU 2024/1183). It introduces key technical changes like a new URI field, updated signature format, and optional phone number support. Organizations must update their systems to avoid signature validation failures and service disruptions, as TLv5 will no longer be valid once TLv6 take... Read more
Major developments in business are brought by the new law on fiscalization in Croatia!

Croatia's new fiscalization law mandates electronic invoicing for all B2B, B2G, and B2C transactions, starting with VAT payers on January 1, 2026, and extending to non-VAT businesses on January 1, 2027, with a free invoicing application provided. Businesses must register their chosen e-invoice distribution and fiscalization methods between September 1 and December 31 of this year, and specific invoice payments up to 700 EUR must be reported to the Tax Administration via fiscalization messages. Read more
VIDA regulation adopted—what does that mean for business?
The EU adopted the VAT in the Digital Age (ViDA) package on March 11, 2025, introducing major changes to the VAT system starting January 1, 2027. Key reforms include mandatory digital VAT reporting by 2030, new VAT collection rules for online platforms, and expanded One-Stop Shop (OSS) registration to simplify cross-border compliance. Additional measures, such as mandatory e-invoicing, phasing out... Read more
New document was uploaded: S4F backoffice patch
S4F backoffice patch is intended for users who have already installed S4F backoffice and are intended to update existing installations to latest version. To do so apply only patches that are marked with version number that is newer than your currently installed instance of backoffice. Read more