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Finance | Project Operations, Human Resources, ...
Suggested Answer

Can VAT Group and Item VAT Group be made mandatory fields on Journal lines for specific nominals?

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Posted on by 155

Hi all, 

We are trying to block all postings against our VAT Control accounts as well as the AP/AR VAT accounts but I cannot seem to find a solution for this. I have tried every posting validation setup available but none are satisfactory as the posting is not blocked at any point. 

I have also thought of adding some conditions on our journal workflows but this would entail the journal being in the approval process before it errors asking for a VAT Group/Item VAT Group which is not the best option. 

Do you have any idea on another possible solution that we can apply to the main account to allow for an error message to be displayed if the user tries to continue with the journal line creation without a VAT Group/Item VAT Group? 

Thanks a lot! 

Diana

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  • André Arnaud de Calavon Profile Picture
    301,020 Super User 2025 Season 2 on at

    Hi Diana,

    Your question is not fully clear to me. The title is about having fields mandatory on journal lines, but you start with the requirement to block posting on VAT main accounts. Is your question how to block manual postings to certain accounts?

    If that is your question, you can block customer and vendor control accounts for manual entry with a setting on the main accounts. For VAT accounts, you can set the posting type to Sales tax. When the posting type is Sales tax, you always need to specify additional VAT fields.

    If your question is about ensuring some postings will always have VAT groups specified, you can at least require valid VAT group combinations on journals (GL parameter setting). However, empty values are also a valid combination. Then you can consider a customization or look at an ISV solution we offer at To-Increase called Data Quality Studio where you can configure your rule for having fields mandatory for certain journals only as a condition. The ISV solution makes more sense if you have multiple requirements to control the data being entered by users.

  • Suggested answer
    Alireza Eshaghzadeh Profile Picture
    14,679 Super User 2025 Season 2 on at

    Hi Diana,

    I addition to Andre solution, you need to activate "Validate tax code" and "Tax direction requirement" on General ledger parameters > Set up sales tax and sales tax group information so if the main account is not already set to be posted with specific direction and sales tax code, the user cannot post an invoice.

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