The UID number is a standard field in SAP Business One.
In addition to submitting the recapitulative statement, claiming the tax exemption for intra-Community supplies requires a valid VAT identification number of the business partner in an EU country. If you do not have a valid VAT identification number of the partner at the time of the delivery or service, the delivery or service is subject to VAT!
You also face a fine of up to 5,000 ? ( 26a UStG).
With the add-on Versino Financial Suite you can validate the business partner's UID number directly from SAP Business One.

Versino Financial Suite (DATEV ADDON) – More than you think
Initially "only" a bidirectional interface to DATEV finance was planned. But when we talked about this development with more and more ...

VERSINO DATEV Interface/ Financial Suite HANA ready
At the beginning of the development, as the name Versino DATEV interface suggests, one goal was in focus: the transfer and receipt ...

New functions for the Versino DATEV ADDON
The Versino DATEV ADDON is getting more and more new functions. These have long since gone beyond exporting and importing data between ...

New functions for the Versino DATEV PRO ADDON
Our DATEV ADDON runs with many of our customers and ?does its job? regarding the export and import of data between ...

DATEV format: Data transmission via DATEV
In this article we have already explained why DATEV exists as a company and what its offer includes. This time...

Who is behind DATEV?
Anyone who has actually never had anything to do with DATEV has at least come across the green and white logo. At the latest on the topic ...