ZATCA E-Invoicing Phase 2: A 2026 Readiness Checklist
ZATCA e-invoicing is no longer a future deadline for Saudi businesses. It is a daily operating requirement. If your company issues tax invoices in the Kingdom, you already fall under Phase 1, and most mid-size and larger businesses are now inside one of the rolling Phase 2 waves. This guide breaks down what Phase 2 actually asks of you, and gives you a practical checklist you can use this quarter.
Many finance teams still treat e-invoicing as an IT project that happened once and finished. In 2026, that mindset causes problems. ZATCA keeps adding businesses to Phase 2 by revenue threshold, and the rules around formats, QR codes and clearance have real operational consequences for sales, accounting and customer service teams, not just IT.
What Is ZATCA E-Invoicing, Exactly?
ZATCA e-invoicing is the Saudi tax authority’s program for replacing handwritten and PDF invoices with structured, verifiable electronic ones. It has two phases.
Phase 1, called Generation, started on 4 December 2021. It required businesses to generate invoices electronically and stop handwriting them, with a QR code on simplified invoices. Phase 2, called Integration, has been rolling out in waves since 1 January 2023, grouping businesses by annual revenue and giving each wave a notice period before their go-live date.
How ZATCA Phase 2 Integration Changes Your Invoicing
Phase 2 is where the real technical work sits. Once your business is in a wave, your invoicing system must connect directly to ZATCA’s Fatoora platform. This is what most people mean when they talk about ZATCA Phase 2 integration.
Under integration, every invoice needs a cryptographic stamp and a UUID, and it has to be reported or cleared through ZATCA before or shortly after it reaches the customer. The exact flow depends on the invoice type.
Which Businesses Should Prioritize Phase 2 Right Now?
ZATCA has already moved through several waves of Phase 2, grouping businesses by annual revenue and giving each group a notice period before their go-live date. If your revenue sits anywhere near a previous wave threshold, it is worth checking your status now rather than waiting for a letter.
Retail chains, contractors, clinics and maintenance companies with multiple branches tend to feel Phase 2 the hardest, simply because they issue more invoices across more systems. A single disconnected point-of-sale terminal in one branch can create a compliance gap for the whole business, even if head office is fully integrated.
Smaller businesses are not exempt from thinking ahead either. Revenue grows, waves expand, and a business that is outside Phase 2 today can be inside it within a year. Building the habit of checking ZATCA’s wave announcements regularly costs nothing and avoids a last-minute scramble.
Standard vs Simplified Invoices: What Changes
Saudi e-invoicing treats business-to-business and business-to-consumer sales differently. The table below summarizes the core differences you need to plan around.
| Factor | Standard Tax Invoice (B2B) | Simplified Tax Invoice (B2C) |
|---|---|---|
| Typical use | Business to business sales | Retail, walk-in or point-of-sale sales |
| ZATCA process | Cleared by ZATCA before delivery to the buyer | Reported to ZATCA within 24 hours |
| QR code required | Not mandatory, often included anyway | Mandatory on the invoice |
| File format | XML (UBL 2.1) or PDF/A-3 with embedded XML | XML (UBL 2.1) or PDF/A-3 with embedded XML |
| Who receives it first | ZATCA, then the buyer | The buyer, then ZATCA |
A Practical Readiness Checklist for 2026
Use this list as a working checklist with your finance and IT teams, not a one-time audit.
- Confirm which wave your business falls under, based on your latest annual revenue figures.
- Check that your invoicing software produces XML (UBL 2.1) or PDF/A-3 files with an embedded cryptographic stamp.
- Test that simplified invoices carry a valid QR code before they reach the customer.
- Map your sales channels: point of sale, online orders and manual quotations all need to reach the same invoicing engine.
- Assign one owner for e-invoicing compliance, rather than leaving it split across departments.
- Keep a record of ZATCA’s wave announcements so you are not caught off guard by your go-live date.
Common Mistakes Businesses Make During Integration
Several patterns show up again and again in businesses that struggle with Phase 2.
The most common one is running invoicing from spreadsheets or disconnected point-of-sale systems that cannot talk to a tax platform. Another is treating the QR code as cosmetic rather than a technical requirement tied to the invoice data itself. A third is assuming the go-live date is far away, when ZATCA’s waves move by threshold and can include a business sooner than its owners expect.
Software built specifically around these requirements removes most of this friction. A platform that helps a business manage customers, quotations, VAT invoices, support tickets, complaints and maintenance requests in one place keeps invoicing connected to the rest of daily operations, instead of sitting in isolation.
A fourth mistake worth naming on its own is assuming every branch or outlet of a business is covered once head office is compliant. Franchises, multi-branch retailers and contractors running several job sites often discover during an audit that one location was still issuing invoices the old way. Checking every point of sale, not just the main system, is part of a serious readiness review.
A fifth mistake is leaving the QR code and clearance status unverified after go-live. Integration is not a switch you flip once. Systems update, staff change, and a setting that was correct on launch day can drift over months without anyone noticing, until a customer or an auditor flags it.
Is Your Business Ready for ZATCA Phase 2?
Ask three questions. Can your current system generate a compliant XML or PDF/A-3 invoice today, without manual rework? Does every simplified invoice carry a working QR code? And does someone in your team know your exact wave and go-live date?
If the answer to any of these is no, treat it as a 2026 priority, not something to revisit next year. Bringing in reputable service experts to review your current invoicing setup before your wave arrives is far cheaper than fixing it after a missed deadline. You can read more in our reputable service experts guide for a sense of how a proper pre-purchase review process should work.
Frequently Asked Questions
What is the difference between ZATCA Phase 1 and Phase 2?
Phase 1 required businesses to generate invoices electronically, starting 4 December 2021. Phase 2 requires those systems to integrate directly with ZATCA’s Fatoora platform for clearance or reporting, rolling out in waves by revenue threshold since 1 January 2023.
Do simplified invoices need a QR code?
Yes. Simplified tax invoices, typically used for retail and point-of-sale sales, must carry a QR code and are reported to ZATCA within 24 hours of issuance.
What file format does ZATCA require for e-invoices?
Invoices must be issued as XML in the UBL 2.1 format, or as PDF/A-3 with the XML embedded, along with a cryptographic stamp.
How do I know which Phase 2 wave applies to my business?
ZATCA assigns waves by annual revenue and announces them directly, with a notice period before each go-live date. If you are unsure, check ZATCA’s current wave announcements rather than guessing.
Getting Your Systems in Order
ZATCA e-invoicing compliance works best when it is part of a connected business system, not a bolt-on. Daftarix helps Saudi businesses manage quotations, VAT invoices, customer support tickets and maintenance requests from one platform, which makes Phase 2 integration easier to maintain as your wave rules evolve.
If you want a clear picture of what your current setup is missing before your go-live date, book a demo and walk through your invoicing flow with a specialist. For ZATCA’s own guidance and the latest wave updates, see the ZATCA e-invoicing portal.
