ZATCA e-invoicing · Phase 2 · Wave 25
ZATCA e-invoicing Phase 2: connect to Fatoora before 1 February 2027
Companies with taxable sales above 187,500 riyals must send their invoices through ZATCA’s Fatoora platform by 1 February 2027. Check your wave, your deadline and how ready you are in 1 minute, then let our Al Khobar team connect you: with your current system, Zoho Books or Odoo.
- Wave & deadline check
- Fatoora onboarding & testing
- Arabic tax invoices with QR code
- Zoho Books, Odoo or your ERP
1 Feb 2027Wave 25 integration deadline
187,500riyals taxable sales threshold
Arabic + Englishteam, invoices and training
ZATCA Phase 2 readiness check: your wave, your deadline, your gaps
Answer 3 quick questions. You will see your wave, the days left, your readiness score and the fastest way to comply. Send the result to us on WhatsApp and we reply with a clear plan.
1. What were your highest yearly taxable sales in any year from 2022 to 2025?
2. How do you issue invoices today?
3. Tick what is already true in your company:
ZATCA e-invoicing waves: who must connect, and by when
| Wave | Who is included | Connect to Fatoora by |
|---|---|---|
| Wave 23 | Taxable sales above 750,000 riyals | 2026 (passed) |
| Wave 24 | Taxable sales above 375,000 riyals | 30 June 2026 (passed) |
| Wave 25 | Taxable sales above 187,500 riyals in any year from 2022 to 2025 | 1 February 2027 |
Source: ZATCA Wave 25 announcement (24 July 2026), as reported by KPMG, EY and Grant Thornton. ZATCA notifies each wave at least 6 months before its deadline. Your exact wave is shown on the ZATCA Fatoora portal.
Phase 1 vs Phase 2: what actually changes
| Phase 1 (Generation) | Phase 2 (Integration) | |
|---|---|---|
| Since | 4 December 2021, all taxpayers | In waves from 1 January 2023 |
| Invoices | Issued from an electronic system, not handwritten or Excel | Same, plus connected to ZATCA’s Fatoora platform |
| Standard (B2B) tax invoices | Generated electronically | Cleared by ZATCA in real time before you share them with the buyer |
| Simplified (B2C) invoices | QR code on the invoice | Reported to ZATCA within 24 hours, with QR code |
| Security | Invoices cannot be edited or deleted | Plus a cryptographic stamp from a ZATCA-issued certificate (CSID) |
What a Phase 2 compliant invoice needs
Arabic text
Tax invoices must be in Arabic. Arabic and English side by side is allowed.
QR code
Simplified invoices carry the ZATCA QR code; it is also generated for standard invoices.
Cryptographic stamp
Each invoice is signed with your device certificate (CSID) issued through Fatoora.
Buyer details for B2B
Standard tax invoices need the buyer’s name, address and tax number.
No edits after issue
Mistakes are fixed with a credit or debit note, never by editing or deleting the invoice.
Clearance or reporting
B2B invoices are cleared before sharing; B2C invoices are reported within 24 hours.
Three ways to comply: we find the fastest one for you
Connect your current system
Already on Zoho Books, Odoo or a ZATCA-ready app? We onboard it on Fatoora, test in simulation and go live.
Move to a ZATCA-ready system
On Excel, Word, Tally or an old program? We move you to Zoho Books or Odoo with your customers, items and opening balances.
Integrate your ERP or POS
On SAP, Oracle, Dynamics, a custom ERP or a POS? We assess it and plan a compliant connection to Fatoora.
Common mistakes that get invoices rejected (and how we avoid them)
- B2B invoices missing the buyer’s tax number or full address
- Wrong tax category on exempt or zero-rated items
- Discounts entered without the correct tax line
- Editing or deleting an issued invoice instead of issuing a credit note
- Going live in production before testing in ZATCA simulation
- One-time codes (OTP) expiring during onboarding because the finance team was not ready
- POS orders issued without the details needed for a compliant simplified invoice
What affects the cost of going ZATCA-ready?
- Whether your current system can be connected or must be replaced
- Number of invoice journals, branches and POS devices to onboard
- Data migration if you move to Zoho Books or Odoo
- Invoice layout in Arabic and English, and staff training
- Support after go-live
Licences are supplied through our Saudi distributors (Odoo licences on your own subscription). You get one clear proposal after a free call, with no surprises.
Your invoices and tax data, protected by a cybersecurity team
Your e-invoicing system holds your customers, sales and tax data, and its certificate signs every invoice in your company’s name. We protect it with MFA, user roles, backups and access reviews.
Waves has helped 150+ companies pass Aramco CCC. We apply the same security discipline to your ZATCA setup.
How we get you live on Fatoora
1. Free readiness call
We confirm your wave and deadline and review how you issue invoices today.
2. Choose the path
Connect your system, move to Zoho Books or Odoo, or integrate your ERP or POS.
3. Set up invoices
Arabic/English templates, tax categories, customer data and numbering.
4. Onboard on Fatoora
With your finance team: Fatoora portal, OTP, device certificate (CSID) for each invoice unit.
5. Test in simulation
Standard and simplified invoices, credit notes and QR codes tested before going live.
6. Go live & support
Switch to production, train your team and support you from Al Khobar.
Companies across Saudi Arabia that trust Waves
Engineering, contracting and industrial companies across the Kingdom rely on our team for their IT.
ZATCA e-invoicing Phase 2: frequently asked questions
Who must comply with Wave 25?
Taxpayers whose taxable sales went above 187,500 riyals in any year from 2022 to 2025. They must integrate their e-invoicing system with ZATCA’s Fatoora platform by 1 February 2027. Your exact wave is shown on the Fatoora portal.
What is the difference between Phase 1 and Phase 2?
Phase 1 (since December 2021) requires invoices to be generated by an electronic system with a QR code on simplified invoices. Phase 2 connects that system to ZATCA: B2B tax invoices are cleared in real time and B2C simplified invoices are reported within 24 hours, each with a cryptographic stamp.
Can I keep issuing invoices from Excel or Word?
No. Since Phase 1, tax invoices must be issued from a compliant electronic system. For Phase 2 that system must also be connected to Fatoora.
Which software is ZATCA compliant?
Many systems support Phase 2, including Zoho Books (Saudi edition) and Odoo with its Saudi localisation. What matters is that your system is set up correctly and onboarded on Fatoora. We check your current system before recommending a change.
What happens if I miss my deadline?
ZATCA can apply penalties for e-invoicing non-compliance. If your deadline has passed or is close, contact us and we will help you connect as quickly as possible.
How do I connect my system to Fatoora?
Your finance team logs in to the Fatoora portal and generates a one-time code (OTP) for each invoicing unit. The code is entered in your system to issue its certificate (CSID). Invoices are tested in simulation first, then switched to production.
Do I have to send old invoices to ZATCA?
Generally no. Phase 2 applies to invoices issued after your integration date. We confirm the details for your case during setup.
Do POS and cashier systems need Phase 2 too?
Yes. Simplified invoices from shops, showrooms and restaurants must carry the QR code and be reported to ZATCA within 24 hours. Some POS systems need an update or replacement.
What happens if ZATCA rejects an invoice?
The invoice must be corrected and resubmitted. We set up customer data, tax categories and invoice layouts carefully to avoid rejections and train your team on what to check.
Do you support companies outside the Eastern Province?
Yes. We are based in Al Khobar and visit companies in Dammam, Jubail and Dhahran. Fatoora onboarding and testing are done remotely, so we support companies across Saudi Arabia.
Get ZATCA-ready before your deadline
Tell us how you issue invoices today. We reply the same working day with your wave, your gaps and the fastest way to comply.
- 📞 +966 58 236 5619
- 💬 +966 58 236 5619
- ✉️ info@wavestelecom.net
- 📍 3266 Adh Dhahran – Al Aqrabiyah, Al Khobar 34446
Request a free ZATCA readiness call
Cybersecurity, compliance & IT partner for Saudi businesses.10 years · 150+ companies certified through Aramco CCC · Certified engineers
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