myTax Portal
TERMmyTax Portal
IRAS secured personalised portal used by taxpayers and businesses to manage tax transactions, including GST e-services such as GST registration, GST return filing, GST payment and GST filing-status services.
Flagship reference
Global Fiscalisation Terminology Reference
A common language for fiscalisation, digital tax control, e-invoicing and e-reporting — built to make cross-jurisdiction discussion clearer and more precise.
144Jurisdictions
2867Terms
V1/2026Latest edition
Why the GFTR matters
Supporting a common language for global fiscalisation
Different jurisdictions use different terms for similar concepts. The GFTR brings clarity by providing consistent, evidence-based definitions and jurisdictional context — helping governments, tax authorities, businesses and technology providers communicate more effectively.
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Download the GFTR
Get the latest edition of the Global Fiscalisation Terminology Reference, including all current terms and jurisdictional information.
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Find terms, definitions and jurisdictional usage
Search by GFTR term. Use the jurisdiction selector to narrow the results to a country or jurisdiction.
2,867 terms
NACEF
TERMSystème National de Caisses Enregistreuses Fiscales | National Fiscal Cash Register System
Tunisian national fiscal cash-register system used to strengthen fiscal transparency, fight tax fraud, ensure taxpayer fairness and guarantee traceability of commercial transactions.
Namensko digitalno potrdilo
TERMDedicated Digital Certificate
Dedicated digital certificate required for fiscal verification of invoices and used for secure electronic communication with FURS in the fiscal-verification process.
NAPR
TERMსაჯარო რეესტრის ეროვნული სააგენტო | National Agency of Public Registry
English acronym-style reference for Georgia’s public registry agency, relevant to business-registration and taxpayer-identification support processes.
NAS
TERMNational Authentication System
Qatar national authentication system used during Dhareeba taxpayer registration and sign-in processes for access to tax digital services.
National e-Invoicing System
TERMNational e-Invoicing System
Sri Lankan e-invoicing programme centred on VAT invoice-data integration between taxpayers’ ERP systems and RAMIS through WEB API.
NAV
TERMNemzeti Adó- és Vámhivatal | National Tax and Customs Administration
Hungarian tax and customs authority responsible for VAT, invoice-data reporting, online cash-register control, e-pénztárgép authorisation, eÁFA and digital tax services.
NAV eNyugta
TERMNAV e-Receipt Application
NAV customer application used by buyers to access, retrieve and manage electronic receipts made available through the Nyugtatár.
NAV ePénztárgép
TERMNAV Electronic Cash-Register Application
NAV cloud-based e-pénztárgép application used for electronic receipt issuance after registration, authorisation and commissioning through the KOBak-portál.
NAV felhasználókezelő
TERMNAV User Management
NAV user-management function providing access-management services for NAV digital services such as Online Számla, Online Számlázó and eÁFA.
Who is it for
Who is it for
Governments & tax authorities
Useful for teams shaping fiscal policy, compliance architecture and regulatory communication.
Technology providers
Supports shared interpretation across product, compliance, implementation and commercial teams.
Researchers & analysts
Provides a reference point for comparative work, evidence synthesis and terminology alignment.
Associations & advisers
Helps explain country-specific language and reduce ambiguity in cross-border discussions.
How the GFTR supports work
How the GFTR supports work
Stronger cross-jurisdiction dialogue
Supports consistent understanding across different regulatory frameworks.
Better policy and implementation
Helps align discussions between governments, tax authorities and the private sector.
Practical, evidence-based definitions
Built from real-world systems and authoritative sources across jurisdictions.
A living reference
Regularly updated to reflect ongoing regulatory developments and emerging practices.