To amend an invoice

1. From the Home page, choose Invoices.       
2. Choose the Invoices tab.       
3. Use the search filters to find the invoice that you want to amend.
4. Click Edit.
5. Amend the fields you need to such as purchase order number, reference and any address details.
6. Click Save.        

To amend an invoice item

1. From the Home page , choose Invoices
2. Choose the Invoices tab       
3. Use the search filters to find the invoice that you want to amend.
4. Select the Agreements tab.
5. Select the agreement with the items that you want to amend.       
6. In the bottom grid, right-click the item you want to amend and select Amend Item.
7. In the popup window, amend the item details.
8. Click Ok to close the popup window.
9. The amended item will now show an "Edited" icon next to it, you can make changes to other items if needed.
10. When you've made all of your changes, press the Save button at the top of the screen.