/visma-net-erp/help/customer-ledger/manage-customers/prepare-to-use-autoinvoice-for-an-existing-customer section 2026-02-19T17:09:06+01:00 # Prepare to use AutoInvoice for an existing customer 1. Go to the [Customers (AR303000)](/visma-net-erp/help/customer-ledger/customer-ledger-windows/customers-ar303000/) window. 1. In the **Customer no.** field, click  to select the customer you want to send electronic invoices to. 1. Go to the **Invoicing settings** tab. 1. Under **Print and email settings**, select the **Send invoices to AutoInvoice** check box. 1. Click .