> ## Documentation Index
> Fetch the complete documentation index at: https://docs.utilified.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Editing Invoices

> Review and edit invoice details, line items, and attached documents in UMS, then re-run invoices through the validation engine to clear flagged issues.

This guide explains how to review and edit invoice details, line items, and documents.

## Invoice detail page

Click **See Details** on any invoice to open the detail page.

<Frame>
  <img src="https://mintcdn.com/utilified/jAVFMAGPv86NPuGP/images/invoices/invoice-detail.png?fit=max&auto=format&n=jAVFMAGPv86NPuGP&q=85&s=573181631bd3ad8b8425b164f8595061" alt="Invoice detail page in UMS" width="1440" height="900" data-path="images/invoices/invoice-detail.png" />
</Frame>

The invoice detail page has these tabs:

* **Overview** — Invoice summary with dates, amounts, supplier, and connection information
* **Lines** — Individual line items (charges) on the invoice
* **Ledger** — Accounting ledger entries for the invoice
* **Documents** — Attached PDF documents
* **Review** — Validation results, flagged review items, and rules
* **History** — Change history for the invoice

## Editing line items

The **Lines** tab shows all charges on the invoice.

<Frame>
  <img src="https://mintcdn.com/utilified/jAVFMAGPv86NPuGP/images/invoices/invoice-lines-tab.png?fit=max&auto=format&n=jAVFMAGPv86NPuGP&q=85&s=4c619e42ba11abbb1349eeda7e644e37" alt="Invoice lines tab showing charge line items in UMS" width="1440" height="900" data-path="images/invoices/invoice-lines-tab.png" />
</Frame>

Each line item displays:

* **Description** — What the charge is for (for example, Peak Usage, Network Access)
* **Category** — Charge category
* **Charge Type** — Type of charge
* **Rate** — Unit rate applied
* **Amount** — Total charge amount
* **Tax** — Whether GST applies
* **Connection** — Which meter connection this charge relates to

### Editing a line item

<Steps>
  <Step title="Open the line item editor">
    Click the **edit** icon on a line item row.
  </Step>

  <Step title="Edit the line details">
    The edit drawer opens with tabs:

    * **Details** — Description, category, charge type, amount, tax flag, and unit rate/currency
    * **Quantities** — Associated quantity records (kWh, MJ, kL)
    * **Factors** — Tax and conversion factors
  </Step>

  <Step title="Save your changes">
    Make your changes and click **Save**.
  </Step>
</Steps>

### Adding a line item

Click **Add Line Item** to create a new charge line on the invoice.

## Viewing documents

The **Documents** tab shows any attached files.

<Frame>
  <img src="https://mintcdn.com/utilified/jAVFMAGPv86NPuGP/images/invoices/invoice-documents-tab.png?fit=max&auto=format&n=jAVFMAGPv86NPuGP&q=85&s=7c8b440c2993ad001fbd3b00d5b7d290" alt="Invoice documents tab in UMS" width="1440" height="900" data-path="images/invoices/invoice-documents-tab.png" />
</Frame>

You can:

* **Download** individual documents
* **Preview** PDF invoices directly in the browser
* **Upload** additional documents

## Running validation

From the invoice detail page header, click **Validate** to run the invoice through the validation engine. This checks:

* Amount calculations match line items
* Dates are consistent
* Connection and retail account references are valid
* Rates match expected tariff rates

See the [Invoice Validation & Review](/guides/invoice-validation) guide for more details.