ERROR
ZATCA-00004 Invalid Digital Signature
The digital signature on the invoice is invalid or cannot be verified by ZATCA.
⚠️ What Causes This Error?
Common reasons why you might see ZATCA-00004
- ✗ Certificate expired or revoked
- ✗ Wrong certificate used for signing
- ✗ Signature algorithm not supported
- ✗ Certificate chain validation failed
✅ How to Fix This Error
Follow these steps to resolve ZATCA-00004
1
Check Certificate Validity
Verify your ZATCA certificate hasn't expired
2
Renew Certificate
If expired, request new certificate from ZATCA portal
3
Update Certificate in Qeemah
Upload the new certificate in Settings → ZATCA Integration
4
Test Connection
Use Qeemah's ZATCA test feature to verify certificate works
Fix ZATCA Errors Automatically
Qeemah validates invoices before submission and prevents ZATCA-00004 errors from happening.