# Apply Discounts

[![image.png](https://bookstack.iconography.co.uk/uploads/images/gallery/2025-08/scaled-1680-/xmpimage.png)](https://bookstack.iconography.co.uk/uploads/images/gallery/2025-08/xmpimage.png)

Use this button to add a new manual discount to a Sales order.

### Promo Code

Enter a valid promo code to apply the relevant discount.

### Custom Discount

<table border="1" id="bkmrk-field-purpose-reason" style="border-collapse: collapse; width: 100%; height: 286.953px;"><colgroup><col style="width: 49.9392%;"></col><col style="width: 49.9392%;"></col></colgroup><thead><tr style="height: 29.7969px;"><td style="height: 29.7969px;">Field</td><td style="height: 29.7969px;">Purpose</td></tr></thead><tbody><tr style="height: 108.172px;"><td style="height: 108.172px;">Reason</td><td style="height: 108.172px;">*Select a reason from the list*

*This is reported on in the [Discount Report](https://bookstack.iconography.co.uk/books/payment-reports/page/discounts "Discounts")*

*The list is controllable via [Site Settings](https://bookstack.iconography.co.uk/books/site-settings "Site Settings")*

</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">Apply to</td><td style="height: 29.7969px;">*Choose from:*

- *Any single line item*
- *The whole Sales Order (this will include Addons, but exclude Delivery)*
- *Delivery*

</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">Discount Mode</td><td style="height: 29.7969px;">*Choose from:*

- *by amount (discount by a fixed amount)*
- *by percentage (discount by a percentage*
- *set value to amount (set the value of the item to £XXX)*

</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">Value</td><td style="height: 29.7969px;">*Enter the value for the corresponding Discount Mode, e.g. 12% or £100*</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">Auth</td><td style="height: 29.7969px;">*Enter an Authorisation Pin to approve the Custom Discount*

*Only Superusers will have an Authorisation Pin*

*Controllable via [Update Users](https://bookstack.iconography.co.uk/books/update-users "Update Users")*

</td></tr></tbody></table>