Introduction

The Purchase Advance Payment module extends Odoo to support registering and managing advance payments (down payments) directly from purchase orders. It helps businesses prepay suppliers, track those payments inside the purchase workflow, and automatically reconcile them with vendor bills. This module ensures clearer accounting, better cash flow visibility, and smoother reconciliation between prepayments and supplier invoices—delivering a more robust procurement process.

Key Features

• Adds a button to purchase orders to register an advance payment

• Opens a wizard to specify journal, payable amount, and payment date

• Lists all advance payments under a dedicated “Payment Advance” tab on the purchase order

• Automatically applies advance payments to vendor bills when invoiced

• Displays outstanding debits and allows reconciliation via “Add” action

• Supports multiple advance payments per purchase order

• Integrates with accounting, purchase, and mail modules for full workflow

Benefits

• Improves cash flow management by tracking supplier prepayments

• Reduces manual reconciliation work by auto-applying advances

• Enhances transparency in procurement costs and accounting entries

• Ensures accuracy between purchase orders, bills, and payments

• Speeds up supplier invoice processing with prepayments considered

Compatibility & Technical Details

• Technical name: bi_purchase_advance_payment

• License: OPL-1

• Dependencies: Purchase, Accounting (Invoicing), Inventory (Stock), Discuss/Mail

• Installation steps:

  1. Add module into your Odoo addons directory

  2. Update the app list

  3. Install the module Purchase Advance Payment

• Workflow:
  • On a purchase order, click the advance payment button to open a wizard
  • Select journal, payment date, amount, and confirm payment
  • View advance payments under the “Payment Advance” tab
  • On vendor bill creation, the module auto-shows outstanding prepayments
  • Use the “Add” action to reconcile advances against bills

• Supports multiple partial payments and reconciliation records