Introduction

The Odoo Global Discount on Sale, Purchase & Invoice module enhances Odoo’s functionality by enabling flexible discount application across sales orders, purchase orders, and invoices. Users can choose between global or line-level discounts, applying either fixed amounts or percentage-based reductions. Tax calculations can be configured to occur before or after the discount—ensuring precise financial results. This module simplifies promotional pricing and procurement adjustments while maintaining billing accuracy across all workflows.

Key Features

• Apply discounts globally on entire sales orders, purchase orders, or invoices

• Set discounts at the line-item level for granular control

• Choose between fixed-amount or percentage-based discount types

• Support tax calculation either before or after applying discounts

• Compatibility across sales, purchase, and invoicing workflows

Benefits

• Enhance flexibility in applying promotional or vendor-based discounts

• Maintain accuracy in tax reporting by adjusting calculation timing

• Streamline discount workflows across multiple transaction types

• Reduce manual adjustment and improve financial clarity

• Ensure cohesive pricing and accounting consistency across the system

Compatibility & Technical Details

Technical Name: bi_sale_purchase_invoice_discount

License: OPL-1

Required Modules:

• Sales (Sales Orders)

• Purchase (Purchase Orders)

• Invoicing (Customer Invoices and Vendor Bills)

• Discuss (for communication features)

Installation Steps:

1. Add the module to your Odoo Add-Ons directory.

2. Activate Developer Mode in Odoo and update the app list.

3. Install the module from the Apps interface.

4. Configure discount behavior—select fixed or percentage type, and whether tax is applied before or after discount.

5. Begin applying discounts directly in sales orders, purchase orders, or invoices with the configured behavior automatically applied.