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Small and medium business | Business Central, N...
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Belgian VAT number invalid, support needed...

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Posted on by 6
Hello,
 
We're experiencing problems with the input of our belgian client VAT numbers (BTW-nummer in Belgium)
The following message comes up when we fill in the BTW-nummer.
So the system gives an error message to fill in the 'ondernemingsnummer' (= same as BTW-nummer but without BE prefix) in Belgium, however when I try this i receive the following error:
 
This setting is enabled:
 
The following formats for the Belgian Vat number should be able to work, but they don't.
 
I've tried every combination with dots and space between the numbers but nothing works, I've also found a bug on another forum that you're able to fill in the VAT/BTW number before the country of the client and eventually you fill in the country and then the system validates the VAT number. (that also worked with our own 'BTW-nummer' to set up our business in Business Central). However, this does not work with our client cards.
 
Is there someone who've experienced the same that is able to guide us or someone who has some hints for us?
 
Thanks in advance!
 
Kind regards,
Joshua
I have the same question (0)
  • Suggested answer
    KasparsSemjonovs Profile Picture
    4,818 Super User 2026 Season 1 on at
    Check how the STANDAARD template is set up, maybe there is something wrongly set up for Belgium. 

    Tried to do this with the DEFAULT template and it worked like it should, after entering the VAT Registration No. it shows the Name and address registered for the Customer. 
    But I tested this on W1 database, not Belgian localization.
  • Suggested answer
    YUN ZHU Profile Picture
    99,261 Super User 2026 Season 1 on at
    Hi, If this is a problem that occurs in the standard environment, it is recommended that you submit the problem to the Yammer Group below. Microsoft's localization manager will see it and respond.
     
     
    If you want to temporarily solve this problem, you can try the following way.
    Dynamics 365 Business Central: Can we skip/ignore field validation errors?
     
    Hope this helps.
    Thanks.
    ZHU
     

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