
TicketBAI Basque Country: Complete E-Invoicing Compliance Guide
Tax & Compliance Series
This guide is part of a comprehensive series. Explore all 202 topics:
What Is TicketBAI?
TicketBAI ("BAI" means "yes" in Basque) is an anti-fraud initiative developed jointly by the three Basque provincial tax authorities (Diputaciones Forales) and the Basque Government. Its core mission is to ensure every invoice issued by a business is properly registered and cannot be manipulated.
TicketBAI ("BAI" means "yes" in Basque) is an anti-fraud initiative developed jointly by the three Basque provincial tax authorities (Diputaciones Forales) and the Basque Government. Its core mission is to ensure every invoice issued by a business is properly registered and cannot be manipulated.
How Does TicketBAI Compare to Verifactu?
How Does TicketBAI Compare to Verifactu — Scope: Basque Country only — All of Spain (common territory).
| Feature | TicketBAI | Verifactu |
|---|---|---|
| Scope | Basque Country only | All of Spain (common territory) |
| Authority | Provincial tax authorities | AEAT |
| Active since | 2022 (Gipuzkoa), 2024 (all) | July 2026 |
| Hash chain | Yes — XMLDSIG signed chain | Yes — SHA-256 hash chain |
| QR code | Yes — TBAI verification QR | Yes — AEAT verification QR |
| Software certification | Must register with each territory | Responsible declaration to AEAT |
What Are the TicketBAI Implementation Dates?
Each territory had its own phased rollout:
Each territory had its own phased rollout:
Gipuzkoa (First Territory)
- Phase 1 (Jan 2022): Professional services, consultants
- Phase 2 (Apr 2022): Retail, hospitality
- Phase 3 (Jun 2022): All remaining sectors
Bizkaia
- Phase 1 (Jan 2024): Majority of businesses
- Phase 2 (Apr 2024): Remaining sectors
Álava (Araba)
- Phase 1 (Jan 2024): All businesses
What Are the Technical Requirements?
the Technical Requirements includes: XML invoice file: TicketBAI XML format with specific schema per territory Digital signature: XMLDSig (XML Digital Signature) on every invoice file
- XML invoice file: TicketBAI XML format with specific schema per territory
- Digital signature: XMLDSig (XML Digital Signature) on every invoice file
- Chain linking: Each invoice references the previous one, creating a sequential chain
- QR code: Contains the TBAI identifier for verification on the territory's portal
- Software registration: Must be registered as TicketBAI-compliant with each provincial authority
What Tax Incentives Exist for TicketBAI Adoption?
The Basque territories offer financial incentives to offset compliance costs:
The Basque territories offer financial incentives to offset compliance costs:
- Tax deduction: Up to 60% deduction on TicketBAI software and hardware investment (first 3 years)
- Accelerated depreciation: TicketBAI-related assets can be depreciated at double the normal rate
- Monthly deduction: €30-40/month deduction against income tax for the first year of operation
Invoicemonk is registered as TicketBAI-compliant in all three Basque territories, with automated XML generation, digital signature application, chain linking, and QR code creation built into the invoicing workflow.
More in this series (202 articles)
From this series
Stay audit-ready and compliant with tax regulations across different regions.
Related Topics
Digital Marketing, SEO Specialist, Content Creator & Product Professional
Olayinka is a digital marketer, content creator, growth and SEO specialist with 10+ years helping businesses in Nigeria, the UK, the US, Australia, and Dubai achieve their goals online.




