The configuration “miscellaneous sales invoice,” when set to true, enables the miscellaneous sales invoice in the Qbil-Trade. The miscellaneous sales invoice can be used to add the invoices for any extra/miscellaneous costs that occurred when selling a product to a relation. For full documentation on Miscellaneous invoices, please refer to Misc. Sales invoices
misc_sales_invoice.enabled: true/false
The setting also enables the report Misc. Sales invoices for Qbil-trade.