- The Hungarian Tax Authority (NAV) has published developer documentation and XSD schemes for e-cash registers in the eReceipt system.
- The documentation aims to introduce the services of e-cash registers and their XML message structures.
- It also describes the features of customer applications and their message structure.
- The documentation is a working document that may change based on developer feedback and regulatory changes.
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.
