---
title: I Have a Question About My Invoice or Purchase Order
description: How to manage your Concord invoices, add a PO number, update billing details, or request a revised invoice.
---
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1. [Concord Support Center](https://help.concord.app/?hsLang=en)
2. [Billing and Subscriptions](https://help.concord.app/billing-and-subscriptions?hsLang=en)
# I Have a Question About My Invoice or Purchase Order
If you need to update your invoice details, add a purchase order (PO) number, change a billing address, or resolve an invoice discrepancy, our billing team can help.
## What You Can Do Yourself
Depending on your account, you may be able to handle some invoice changes directly in Concord:
- **Change the billing address** on your invoice
- **Request a copy of a past invoice** — go to **Settings \> Company \> Subscription \> View Invoices**
If these options are not available in your account due to an ongoing billing system migration, contact **support@concord.app** and our team will handle it for you.
## What Requires Our Support Team
The following changes always require action from our billing team:
- **Add or update a PO number** on your invoice
- **Resolve duplicate or incorrect invoices**
- **Update the billing contact** for your account
- **Request a revised invoice** with corrected details
Email **support@concord.app** with your request. Please include:
- Your company name
- The invoice number (found on the invoice or in **Settings \> Company \> Subscription \> View Invoices**)
- A description of the change needed
Our billing team will review your request and follow up directly.
## Viewing Your Invoices
To view your current and past invoices in Concord:
1. Log in as an Administrator
2. Go to **Settings \> Company \> Subscription**
3. Select **View Invoices**
## Important Notes
- All Concord invoices are issued in **USD** by Concord Worldwide, Inc. (US entity)
- PO numbers can be added to invoices upon request
- Invoice corrections typically take 1-2 business days
- For payment-related questions (payment status, methods, overdue notices), see our payment support article
## Need More Help?
Contact our support team at support@concord.app.
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