⭐️ Please note that you will only be able to submit an additional invoice in the original invoice has already been sent for a given Flex-ID. Transmission does not allow 2 draft invoices to be created against the same Flex-ID.
1. Navigate to the Invoicing Portal in Transmission Web.
2. In the Invoicing Portal, click on "Create Invoice" on the top right side of the page.
3. A Create Invoice popup will appear. Type in the Flex-ID that you wish to submit an additional invoice for.
4. Once you have selected the Flex-ID you want to submit an additional invoice for, click "Create".