errorEN16931
UBL-DT-06:Binary object elements shall contain the mime code attribute
Your invoice contains an embedded attachment (EmbeddedDocumentBinaryObject) but the mimeCode attribute is missing. The MIME type (e.g., application/pdf, image/png) must be specified.
Why This Error Matters
Invoice will be rejected. Receiving systems need the MIME type to properly display or process the attachment.
Common Causes
- Attachment added without specifying the file type
- ERP export omitted the MIME type attribute
- Binary content copied without metadata
- Template missing mimeCode attribute on attachment element
- File uploaded without extension or type detection
Frequently Asked Questions
Your invoice contains an embedded attachment (EmbeddedDocumentBinaryObject) but the mimeCode attribute is missing. The MIME type (e.g., application/pdf, image/png) must be specified.
Your invoice contains an embedded attachment (EmbeddedDocumentBinaryObject) but the mimeCode attribute is missing. The MIME type (e.g., application/pdf, image/png) must be specified. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, UBL-DT-06 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of UBL-DT-06 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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