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In case of VAT rate changes one task is to change at least the VAT Product Posting Group on G/L Accounts. This is done to reflect the new VAT rate and suggest the new VAT Product Posting Group as a default value for new transactions.

For "Prepayment G/L Accounts" this can create some trouble because the new settings will also be applied for "lines to deduct prepayments (posted with the old VAT Product Posting Group / VAT rate) in final invoices".
Here it would be good to still use the old settings, instead of the new.

So the suggestion is:
Before the user simply changes the VAT Product Posting Group on a Prepayment G/L Accounts (can be found by checking set up fields in the General Posting Setup) the user should get a confirm message which informs that before changing the settings on the G/L Account the user has to make sure that for all prepayment invoices of open documents prepayment credit memos get created and then after changing the settings on the G/L Account and in the document lines new prepayment invoices (using the changed settings) are registered.
STATUS DETAILS
Needs Votes
Ideas Administrator

Thank you for this suggestion! Currently this is not on our roadmap. We are tracking this idea and if it gathers more votes and comments we will consider it in the future.

Best regards,
Business Central Team