All invoices for SIGNL4 are available for download through the management portal of SIGNL4 at https://account.signl4.com/manage . Whenever you are charged for a monthly subscription, additional users or add-ons, an invoice is created.
The owner of the SIGNL4 account has access to all invoices and needs to log in here. On the left menu, click “Billing” and scroll down to the “Invoices section”. All invoices and credit notes are listed here.