Hi judekrgn
Thanks for your post and Welcome here in the Community Forum. Sorry to see that no one has replied to you yet.
In this matter, to clarify how the tick against 'Report Taxable Payments' in Supplier Card works, once this option is ticked, the system will automatically mark all future transactions for this Supplier as a 'Reportable Payment'.
However, it will only mark existing transactions for the Supplier in the Financial year as Reportable, if you say 'Yes' to the prompt - 'Do you want to report all transactions recorded in the current financial year for this supplier'. This prompt comes up when you first mark the Supplier for 'Report Taxable Payments'. If No is selected for that prompt, it would only enable any new transactions to be reportable payments going forward.
Please don't hesitate to post again if you need help in the future.
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Cheers,
Leneth