errorSEPEPPOL_BIS
SE-R-013:The last digit of a Swedish organization number must be valid according to the Luhn algorithm.
The last digit of Swedish organization numbers must be valid according to the Luhn algorithm (checksum validation).
We can fix this automatically
AUTO-FIXAuto-fix: Validate and recalculate Luhn check digit if first 9 digits appear valid. Safe checksum correction.
No manual changes needed
Upload and Fix NowWhy This Error Matters
Invoice will be rejected by Swedish validation. Organization number must pass Luhn checksum.
Common Causes
- Check digit incorrect
- Typo in organization number
- Number transcribed incorrectly
- Digit transposition error
- Invalid organization number
Frequently Asked Questions
The last digit of Swedish organization numbers must be valid according to the Luhn algorithm (checksum validation).
The last digit of Swedish organization numbers must be valid according to the Luhn algorithm (checksum validation). You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, SE-R-013 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of SE-R-013 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.
See Also
Last updated: 16 January 2026
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