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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / AX2012R3 HMRC UK VAT
Finance | Project Operations, Human Resources, ...
Suggested Answer

AX2012R3 HMRC UK VAT

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Posted on by Tom9531 8
Dear All,
 
We are currently receiving an error message regarding the transmission of UK VAT via AX2012R3. Error code 403: Resource_forbidden the application is blocked.
Are there any ideas why this can happen?
 
Thank for any suggestions.
 
Categories:
Microsoft Dynamics AX
I have the same question (0)
  • Suggested answer
    Sathish Kumar Palanisamy Profile Picture
    Sathish Kumar Palan... 388 Super User 2026 Season 1 on at

    Hi Tom9531

    As i understand , UK VAT submission functionality in AX2012 R3, you must update your Electronic Messaging formats and transition to the new Electronic Invoicing microservice add-in, as required by HMRC’s latest security enhancements for Making Tax Digital (MTD). Microsoft has already deprecate direct integration by June 6, 2025.

     
    Thanks
    Sathish
  • Suggested answer
    Alireza Eshaghzadeh Profile Picture
    Alireza Eshaghzadeh 14,839 Super User 2026 Season 1 on at
    Hi,

    There is a security enhancement in D365FO via a feature 'Security Enhancements in UK MTD VAT Integration'.
    'UK MTD VAT TEST' and 'UK MTD VAT returns' electronic messaging processing will automatically update to enhance the security of your Dynamics 365 Finance integration for direct VAT return submissions for your UK VAT registration. The following actions of type 'Web service' have been changed to 'Executable class': Retrieve VAT obligations, Test retrieve VAT obligations, Submit VAT return, Test submit VAT return, Request VAT liabilities, Request VAT payments. 

    Please check if the following action can be done manually in AX2012 R3.

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