Allow Negative Amounts on Sales Orders and Invoices for Service Items

Negative amounts on sales orders/invoices can only be applied to service-type items, not product-type items. This is to ensure accurate inventory management, as negative amounts on physical products could disrupt stock levels and complicate financial reporting. Services do not require inventory tracking, making them suitable for adjustments like discounts or refunds.

Here are the steps on allowing negative amounts on Sales orders/invoices for service items.

1. Make sure that the "Allow negative amounts for service items" checkbox is checked on General settings located in Admin Panel.
   

      2. When creating the service items, make sure that the "Allow negative" checkbox is checked.

Now, you should be able to enter a negative amount on the Price or Total columns in the sales orders/invoices.

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