As of January 1, 2026, e-invoicing is no longer a “project to plan for”: it becomes a legal obligation that extends to services. This extension stems from Article 53 of the 2026 Finance Law (loi de finances 2026), which supplements Article 18 of the VAT Code to make the electronic invoice mandatory for services as well. (Facture Tunisie)
In practice, a compliant invoice is more than a PDF sent by email: e-invoicing relies on a structured workflow that includes an electronic signature, a regulatory format and transmission through the official platform.
1) Who is affected in 2026?
The 2026 extension targets the entire services sector, with a very broad scope (liberal professions, consulting, agencies, IT service providers, healthcare, transport, hospitality, etc.).
It covers companies as well as sole proprietorships taxed under the actual-income regime (régime réel).
Key takeaway: if your business invoices services (B2B and/or B2G), prepare as though you fall within the 2026 scope, because the legal basis for the extension to services is now in place.
2) What e-invoicing really changes (and why “a PDF” is not enough)
In the regulatory sense, the electronic invoice relies on:
- a qualified electronic signature issued by ANCE, Tunisia’s national electronic certification agency, also known as TunTrust (some articles cite it as NCE), which is essential for legal validity;
- a regulatory format (TEIF);
- transmission to the El Fatoora platform operated by Tunisie TradeNet (TTN), via web service or SFTP when you integrate your system.
3) Penalties: what you risk if you do not switch
Penalties are the main driver of urgency. Sources point out that failure to issue an electronic invoice (when it is mandatory) can lead to a penalty of up to 500 TND per invoice.
Some sources also detail a range of fines of 100 to 500 TND per invoice (with caps) and fines of 250 to 10,000 TND for electronic invoices that omit the mandatory legal information.
4) Official TTN / El Fatoora procedure: the 5 steps (step by step)
Step 1 — Obtain the electronic signature (ANCE)
Before issuing any invoice, the company must hold a qualified electronic signature (designate the authorized signatories, file the application, receive the certificate/key). Without a valid signature, the invoice has no legal value.
Step 2 — Put together the El Fatoora enrollment file (TTN)
The TTN file includes in particular:
- the El Fatoora subscription contract (2 copies) and the information sheet;
- supporting documents: trade register extract (RC) less than 3 months old, tax identification card, national ID card (CIN) of the legal representative, CIN of the main administrator.
Step 3 — Technical testing phase
TTN opens a test environment: you must prove that you can generate invoices in TEIF, sign them with a certificate, then transmit them to El Fatoora (web service or SFTP).
Step 4 — Go-live + TTN certificate
Once it validates the tests, TTN sends the production settings, authorizes live invoicing and issues an official enrollment certificate.
Step 5 — Declaration to the tax authorities
Final mandatory milestone: file the enrollment declaration form + the TTN certificate with the tax authorities.
5) How much it costs (plan for it now)
Pricing details reported in late 2025 mention:
- 0.190 TND per invoice (up to 50 KB) for processing;
- a monthly subscription announced at 10 TND for a web/EDI account (depending on the option).
1) Lead times and system load
A key point raised by experts: in practice the process can be long, with a risk of significant delays if demand surges (signature + TTN + tests + declaration).
2) An “incomplete” chain if your clients are not ready
The system depends on a chain (issuer → TTN → client). If the client is not ready or not enrolled, the flow can get complicated. Plan your communication with your B2B/B2G clients ahead of time.
3) A cautious recommendation
Even if not everything is finalized, it is advisable to file at least the enrollment application to get the process started.
7) “Startup/SME” plan: be 100% compliant (stress-free)
Choose your mode based on volume
- Low volume: portal (quick start)
- Medium/high volume: integration (ERP/software) with TEIF generation + signature + automated sending (web service/SFTP).
Set up lightweight internal governance
- 1 “e-invoicing” owner (accounting/finance)
- 1 “tech” owner (ERP / integration)
- a simple procedure: issue → check mandatory information → sign → send → archive.
8) Compliance checklist (copy and paste)
Legal & access
- Qualified electronic signature obtained (ANCE)
- TTN file complete + submitted (RC < 3 months, tax card, CIN…)
Technical
- Invoices generated in TEIF format
- Electronic signature applied
- Test transmission, then production (web service/SFTP if integrated)
Administrative & tax
- TTN certificate received
- Declaration filed with the tax authorities (form + certificate)
Risk
- Internal reminder of the penalties (up to 500 TND/invoice)
FAQ
Is an electronic invoice just a PDF sent by email?
No. The reform describes a structured workflow with a signature, a regulatory format and transmission via TTN/El Fatoora.
Who is affected in 2026?
Services, for companies and sole proprietorships under the actual-income regime.
What does a company risk if it delays?
Penalties can reach 500 TND/invoice (and other fines apply when the mandatory information is non-compliant).
Conclusion
E-invoicing in 2026 is not just an “accounting” matter: it is a process + information system matter. The safest way to avoid penalties is to treat the project as a full compliance program: signature, TTN/El Fatoora, tests, production, declaration, then automation (ERP) to limit errors and save time. (Facture Tunisie)
