# Combined Discounts

## Overview

Discounts can be applied in varying ways to the transaction and are distinguished at the following levels:

* **Price Per Gallon (PPG) Discounts**: These discounts reduce the price of fuel at the dispenser prior to fueling.
* **Line Item Discounts**: These discounts are amount discounts that apply against an individual line item for a transaction.
* **Ticket Level Discounts**: These discounts are amount discounts that apply to the entire transaction.

Discount Categories

* **Local**: Local discounts are configured and applied on the POS system.
* **Host**: Host discounts are applied by the loyalty or payment host.

### Local Discounts

* **POP Discount (PPG and Fuel Line Item)**: Only one POP discount allowed per transaction.
* **VIP NAXML Discounts (Line Item)**: Multiple VIP NAXML discounts may be applied per transaction.
* **Car Wash Promotions (Carwash Line Item)**: Only one Car Wash promotion allowed per transaction.
* **Special Discount (MOP Ticket Level)**: Only one Special discount allowed per transaction.
* **Manual Discount (Line Item)**: Multiple Manual discounts may be applied per transaction.

### Host Discounts

* **EPS Loyalty Discount (PPG, Ticket Level, and Line Item)**: Multiple EPS Loyalty discounts may be applied per transaction.
* **Payment Host Discounts (PPG, Ticket Level, and Line Item)**: Multiple Payment Host discounts may be applied per transaction.

## Using Combined Discounts

* Multiple ticket level discounts may be applied in a single transaction.
* A line item may receive multiple discounts depending on order of the discounts within the transaction and loyalty host response.
* Depending on configuration, multiple PPG discounts can be combined in a single transaction as a stacked PPG. This means that the multiple PPG discounts may be combined to a single PPG discount in fuel price. The combined discount cannot lower the price per gallon at the dispenser to lower than the minimum Price Per Unit (PPU) setting in Fuel Configuration.
* When combining Payment Host and EPS Loyalty discounts, the Payment Host discounts have a higher precedence than EPS Loyalty discounts.

## Configuring Combined Discounts

For the discount to be applied, the discount feature must be enabled and configured. Refer to the configuring section of the appropriate topic for further details.

{% hint style="info" %}
The "EPS PPG precedes POS PPG" parameter is located at:

**Configuration Client > Payment Controller > POS configuration > POS > Loyalty**

* When enabled: EPS Loyalty PPG discounts are applied before considering any POS PPG discounts.
* When disabled: POS PPG discounts are applied before considering any EPS Loyalty PPG discounts.
  {% endhint %}


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