In Sweden, the fiscalization system is fundamentally hardware-based. This means that businesses must use a special device, known as a control unit or control system, to meet fiscalization requirements. Legal and technical regulations outline the main requirements for fiscal devices, including their architecture, configuration, and the obligation to issue fiscal receipts and other documents.
Source: fiscal-requirements.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.