> For the complete documentation index, see [llms.txt](https://support.ordereazi.com/central/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.ordereazi.com/central/order-management/documents/purchasing-documents/supplier-invoices.md).

# Supplier invoices

The price on a purchase order isn't always what the supplier charges, and freight or duties push the real cost up further. If you don't record the real cost, your project's profit looks better than it is. Capturing the supplier invoice in OrderEazi records what you actually paid, against the purchase order, and updates the project's costs and gross profit.

### Before you start

You'll need the **Create Documents** permission, in the **Projects** permission group, and a purchase order on the project. Until there is one, the **Supplier Invoice(s)** row shows **Pending Purchase Order**.

### How to capture a supplier invoice

1. At the bottom of the project, select **Create Documents**.
2. Next to **Supplier Invoice(s)**, select **Capture**.
3. Select the supplier and purchase order you're capturing against. Each one is shown as the supplier's name and the purchase order number.
4. Under **Please enter supplier's invoice number and date**, enter the **Supplier Reference**, the **Supplier Invoice Date**, and the **Due Date**.
5. For each line, enter the quantity in **Allocate**, and the **Landed Cost** (the real cost of one unit, including freight and duties).
6. If a product has serial numbers, enter them.
7. Select **Capture**.

You see "Supplier Invoice(s) Created". The invoice syncs to your accounting system, and the row shows **Awaiting sync** until it does.

### How landed cost changes the project

The **Landed Cost** you enter becomes the line's **Unit Cost** on the project. The project's totals and gross profit update to match.

**Example:** You sold 20 chairs at R1 200 each, with a quoted cost of R800, so your gross profit was R8 000. The supplier invoice comes in at R850 a chair, including freight. You enter R850 as the **Landed Cost**, and the project's gross profit drops to R7 000.

If your organisation uses [Simple Inventory Management](/central/order-management/products/inventory/simple-inventory-management.md) with **Automate Location Stock Movements** turned on, capturing the invoice also adds the stock.

### When an invoice can't be captured

* **"Please enter a supplier reference":** Enter the supplier's invoice number in **Supplier Reference**.
* **"This Reference is already in use.":** You've already captured an invoice with this reference. Check you're not capturing it twice.
* **"Due date cannot be earlier than invoice date":** Fix the dates.
* **"Please enter Serial Codes for all Products":** Enter a serial number for every serialised unit.

To reverse part of a captured supplier invoice, create a supplier return from the invoice's menu on the **Documents** tab.

### Related pages

* [Purchase orders](/central/order-management/documents/purchasing-documents/purchase-orders.md): the order you capture the invoice against
* [Goods received vouchers](/central/order-management/documents/purchasing-documents/goods-received-vouchers.md): record what arrived