Official FAIA v2.01 Sources
All validation rules and schemas are sourced directly from Luxembourg's tax authority
Verified Against Official Standards
Our validator uses the exact schemas and specifications published by Luxembourg's Administration de l'Enregistrement, des Domaines et de la TVA (AED) at pfi.public.lu.
Important: FAIA v2.01 has remained unchanged since 31 January 2013. This stability ensures long-term compliance and reliable validation. Our validator was verified against these official sources in November 2025.
Official Luxembourg AED Resources
Access the authoritative FAIA v2.01 documentation and schema files directly from Luxembourg's tax authority:
Resource Descriptions
AED Official FAIA Page
The main portal for FAIA information on pfi.public.lu, containing official announcements, requirements, and links to all technical resources.
Technical Recommendations PDF
Comprehensive technical documentation explaining FAIA file structure, required elements, business rules, validation requirements, and best practices (French).
Official FAQ PDF
Frequently asked questions addressing common implementation challenges, clarifications on requirements, and practical guidance for generating FAIA files.
Official Schema Files
The three official schema files that define the structure and validation rules for FAIA files:
- FAIA v2.01 Full – Full version with complete MasterFiles and transaction data
- FAIA v2.01 Reduced A – Simplified schema for smaller businesses
- FAIA v2.01 Reduced B – Alternative reduced schema variant
Verification Status
Our validation was last verified against these official sources in November 2025. All schemas and business rules match the official Luxembourg AED specifications published on 31 January 2013.
Next verification: We continuously monitor pfi.public.lu for any updates or changes to FAIA specifications. As of November 2025, FAIA v2.01 remains the current standard with no changes since 2013.