We have added support for the BT-158 field (Classification code value) — a required field for electronic invoices submitted to Greek public authorities via PEPPOL.
This field is used to specify a classification code (such as a CPV code) related to the invoiced item or service. It is now available in the Invoice Line Items section under the “Full” tab.
Where to find it:
When editing an invoice, scroll down to the line items table, open the Full view for a line, and enter the code in the “Classification code value (BT-158)” field.
Why it’s important:
Certain Greek authorities require this field for validating public procurement invoices. Adding BT-158 ensures compliance with national B2G rules.
If you need assistance entering this value or mapping classification codes, feel free to contact our support team.




E-invoice decisions of the Ministry of Finance from 15/10/2024
/in eInvoice NewsInvoice transmission: The contracting parties must agree between themselves under civil law which permissible electronic invoice format and which permissible transmission channel is to be used.
Receipt channels: An e-mail inbox is sufficient for the legally compliant receipt of electronic invoices. Alternatively, interfaces or portals are also permitted.
In the long term, the transmission channels will be reviewed as part of the VIDA implementation, with more specific requirements being defined if necessary.
Sanctions: From the start of the obligation (2027 or 2028), ‘other invoices’ (e.g. paper or PDF) will no longer be eligible for input tax deduction. Additional penalties for refusing to accept an e-invoice are currently not envisaged. However, if the recipient refuses to accept the e-invoice even though the sender has demonstrably endeavoured to transmit it correctly, the recipient will be in default.
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