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add Customer VAT number to a Sales Invoices after it has been generated and posted?

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Posted on by Crystal Analyst

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Dear BC Community.

Is it possible to add Customer VAT number to a Sales Invoices after it has been generated and posted?

Example:

Customer card has been set-up without a VAT Number.
Invoice was generated and finalized.
Customer requires there VAT Number to be displayed on the Sales Invoices.
If Customer Card is updated with a VAT Number it does not display on the Invoices that has already been generated and finalized.

Requirement:

To amend Sales Invoice to show Customer Vat Number.

Thank-you in advance

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Dynamics 365 Business Central

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Maria Chambel Microsoft Employee on at

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Hi Crystal,

I don't think that is possible.

After the sales invoice is posted there is only few fields you can modify (usually only payment information related - payment method, bank account..).

You would need to credit the invoice and post it again.

Correct or Cancel a Posted Sales Invoice - Business Central | Microsoft Docs

Hope it helps.

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YUN ZHU 102,476 Super User 2026 Season 1 on at

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Hi, As mentioned by Maria, standard functionality can't do it, it needs to be customized.
Below is a similar solution that hopefully gives you some hints.

https://yzhums.com/24923/

Hope this helps.

Thanks.

ZHU

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Crystal System Analyst 10 on at

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Dear Maria

Thank-you very much for you feedback.

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Crystal System Analyst 10 on at

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Dear Yun Zhu

Thank you for your feedback. I will have a look at the link you posted.

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