DE-R-022

They must have all attachments e-invoice Unique filename?

⚠ Machine-translated answer, not yet manually reviewed. For the exact wording, see the Slovak original.

Short answer

Yes. According to the validation rule DE-R-022 in the specificationscii Peppol BIS Billing 3.0 the file names of all the annexes annexed to one must be e-invoice each other's unique. This rule does not take into account the size of the letters, so for example, the names "Faktura.pdf' and "faktura.pdf' would be regarded as identical and therefore illegal duplicated.

DE-R-022

Validation rule

Requires uniqueness of file names of attachments.

Regardless of the size of the letters

Case-insensitive control

In factura.pdf and faktura.pdf are considered to be the same name.

Reason

Collision prevention

It prevents ambiguous processing on the side of the recipient.

Liability

Invoice generator

The software should provide a unique name automatically.

Conclusion

DE-R-022 requires unique file names for all attachments in one e-invoice, regardless of the size of the letters, otherwise XML the document does not pass through validation.

Sources

  • Peppol BIS Billing 3.0, validation rule DE-R-022

Not legal advice. Machine-translated answer, not yet manually reviewed. For the exact wording, see the Slovak original.