Glossary

Austrian Fiscal Terms

Term	Description
RKSV	Registrierkassensicherheitsverordnung — the Austrian regulation for tamper-proof cash register systems.
FinanzOnline	The Austrian tax authority’s online portal for tax filing and cash register registration.
Steuernummer	Austrian tax identification number in the format NN-NNN/NNNN.
UID-Nummer	Austrian VAT identification number in ATU format (e.g., ATU12345678).
Teilnehmer-ID	FinanzOnline participant identification number (8-12 alphanumeric characters).
Benutzer-ID	FinanzOnline user identification (8-12 characters).
Registrierkasse	Cash register — a device used to record sales transactions subject to RKSV requirements.
DEP	Datenerfassungsprotokoll — the data capture protocol, a tamper-proof log of all transactions.
Belegcheck	Receipt verification — the mechanism for customers to verify the authenticity of a receipt with FinanzOnline.

Unified API Terms

Term	Description
Organization	The top-level business entity in the fiskaly platform.
Taxpayer	A tax-registered entity under an Organization.
Location	A physical point of sale where Systems operate.
System	A cash register or PoS terminal registered for fiscal compliance.
Transaction	A fiscal event (e.g., receipt, invoice) recorded through a System.
Record	An individual operation within a Transaction.