Create an external invoice
In the left sidebar, click Sales, then External Invoices.
Next, click the “Add external invoice” button.
Invoice information
Here you can select an existing customer or create a new one. Enter the invoice date shown on the invoice and the invoice number.
Upload document
Drag the invoice you want to upload into the upload box or browse the files on your computer.
Invoice lines
Enter the information shown on the invoice. You can either copy all invoice lines or simply enter the total amount. If the invoice contains multiple VAT rates, make sure to enter these on separate lines. Once completed, click “Create external invoice”. The invoice will now be included in your administration.