> ## Documentation Index > Fetch the complete documentation index at: https://docs.bizbone.com/llms.txt > Use this file to discover all available pages before exploring further. # Invoice Create and manage customer invoices linked to AR programs and contracts. Supports invoice creation, editing, tracking, and submission into the billing workflow. ## Add an Invoice A AR I Nav A AR I Tab * **Clients**: Invoices linked to contract-based or program-based billing arrangements. * **Customers**: Invoices linked to standard customer transactions and non-contractual billing. A AR I Add A AR I Conf Select **Submit** to complete or **Save** to exit and save as draft.  ## Modify an Invoice A AR I Action * **Edit:** Update invoice details before it is finalized or processed in the billing workflow. * **Delete:** Permanently remove a draft invoice that has not been submitted for processing. * **Cancel:** Cancel a submitted invoice and remove it from the billing workflow while preserving its record for audit purposes. * **Edit:** Fill in the required information. Select **Submit** to complete or **Save** to exit and save as draft.  * **Delete:** Select **Delete** to complete or **Cancel** to exit without saving changes.  * \*\*Cancel: \*\*Select **Confirm** to complete or **Cancel** to exit without saving changes.