Blog/July 16, 2026·4 min
Simplified vs standard tax invoice in Saudi Arabia: which one do you issue, and when?
Standard tax invoices are for B2B and go through ZATCA clearance before delivery; simplified invoices are for consumers, carry a mandatory QR code and are reported within 24 hours. The full differences, with official sources.
The Saudi e-invoicing regime is built on exactly two invoice types: the standard tax invoice for business-to-business transactions, and the simplified tax invoice for consumer sales. Choosing the right one is not a formality — each type has different mandatory fields and a different processing path at the Zakat, Tax and Customs Authority (ZATCA). This guide lays out the differences as defined in ZATCA's regulations and guidelines.
What is the fundamental difference between the two types?
A standard tax invoice is issued for transactions between businesses (B2B) or with government entities (B2G); it carries the full details of both seller and buyer, including each party's VAT registration number, and it is the document the buyer relies on to deduct input VAT. A simplified tax invoice is issued to end consumers (B2C) — in shops, restaurants and personal services; it does not require buyer details, but it has required a QR code since Phase 1.
In practical terms: if your customer is a VAT-registered business that will deduct the tax, issue a full standard tax invoice; if it is a consumer paying at the point of sale, the simplified invoice is the correct one.
How does ZATCA process each type in Phase 2?
The two types follow different paths on the Fatoora platform:
- Standard tax invoice: the clearance model. The invoice is sent as XML to the Fatoora platform before it is delivered to the buyer; the platform validates it and clears it with a cryptographic stamp — only then does it become a legally valid invoice that can be delivered.
- Simplified invoice: the reporting model. It is handed to the customer immediately at the point of sale with its QR code, then the system uploads it to the platform as XML within 24 hours of issuance.
The distinction is logical: retail cannot wait for a real-time clearance round-trip in front of a queue of customers, while B2B invoices are higher-value and lower-frequency, so pre-clearance is workable.
What fields are mandatory on each type?
| Element | Standard tax invoice | Simplified invoice |
|---|---|---|
| Use case | B2B / B2G | B2C (end consumer) |
| Seller details and VAT number | mandatory | mandatory |
| Buyer details and VAT number | mandatory | not required |
| QR code | applied under Phase 2 requirements | mandatory since December 2021 |
| Processing path (Phase 2) | clearance before delivery | reporting within 24 hours |
| Input VAT deduction for the buyer | yes — it is the supporting document | no |
| Technical format (Phase 2) | XML (or PDF/A-3 with embedded XML) | XML with QR |
The same rules apply to credit and debit notes: they follow the type of the original invoice they amend and must reference it.
When must you issue a full tax invoice even when selling to an individual?
The general rule is that a sale to an individual consumer only needs a simplified invoice. But there are cases where the customer — even an individual — asks for a full tax invoice, for instance a sole proprietor registered for VAT who wants to deduct input tax. In that case you issue a standard tax invoice with their details and VAT number. The reverse does not work: you cannot settle for a simplified invoice in a transaction between two registered businesses if the buyer wants to deduct VAT, because a simplified invoice is not a valid deduction document.
What are the common mistakes to avoid?
- Issuing a simplified invoice to a business customer, then having to cancel it with a credit note and reissue — ask about the customer's status before issuing.
- Omitting the QR code on simplified invoices; it has been mandatory since Phase 1.
- Missing the 24-hour reporting window for simplified invoices in Phase 2 because of connectivity outages with no retry mechanism.
- Editing an issued invoice instead of issuing a credit or debit note — direct modification is a prohibited function under the regime.
A well-built system settles these details automatically: it asks what kind of customer you are billing, generates the correct format, and drives the clearance and reporting flows without manual work — which is exactly what solutions like Efatora are built around.
The bottom line
The customer type determines the invoice type: business → standard tax invoice with pre-clearance; consumer → simplified invoice with a QR code and 24-hour reporting. Once you know who your customer is, you know which invoice to issue.