Understanding ZATCA QR Code Requirements
Every e-invoice in Saudi Arabia must include a QR code that contains specific information in TLV (Tag-Length-Value) format. This QR code allows anyone to verify the invoice's authenticity.
Required QR Code Fields
The ZATCA-compliant QR code must contain the following mandatory fields:
- Seller's Name: The legal name of the business issuing the invoice
- VAT Registration Number: The 15-digit VAT number
- Invoice Date & Time: Timestamp in ISO 8601 format
- Invoice Total (with VAT): The total amount including VAT
- VAT Amount: The total VAT charged
TLV Format Explained
TLV (Tag-Length-Value) is the encoding format required by ZATCA:
- Tag: Identifies the field (1 byte)
- Length: The length of the value (1 byte)
- Value: The actual data in UTF-8 encoding
Phase 2 Additional Requirements
For Phase 2 compliance, the QR code must also include:
- Digital signature hash
- Public key
- Cryptographic stamp from ZATCA
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