You can provide additional information about payment on this tab.
The "Cash Payment (create)" form. The Additional Information tab
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Additionally, in the Transaction Remarks field, specify any relevant details.
Out-of-Scope Tracking
This section appears on the tab if the Tracking of Out of Scope Purchases option selected on the Administration > Settings > Taxes form and if the Out of Scope taxation option is selected for the document on the Main tab.
In the Reason for Out of Scope VAT field, select a valid reason why this taxation option is applied.
In the Description of the Supply text box, provide more information about supply for which this payment is intended.