---
title: Negative Discounts in VetlinkPRO
description: Apply a negative discount in VetlinkPRO to increase a bill without client visibility. Learn how to enable the feature and use it on bills and discount schemes
---
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# Negative Discounts in VetlinkPRO
A negative discount allows you to apply a price increase to a bill without it being visible to the client on the printed invoice.
**Setup**
First, the feature needs to be enabled: go to **Options → Setup → Products**, open the **Discount** tab, and tick the **Allow Negative Discount** checkbox.
**Using a Negative Discount on a Bill**
Once enabled, when applying a discount on a bill, simply enter a negative value — for example, **-10%** instead of 10%. This will increase the total bill by that percentage. The client will not see any reference to this adjustment on their invoice.
**Common Use Cases**
- Recovering balances that were previously written off
- Applying a silent price adjustment where needed
**Discount Schemes**
Negative discounts can also be applied within a discount scheme that is already set on a client's account, so they work within your existing discount structure.
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