Create your invoice as normal through Billing > IMC Invoice Wizard. In the final window you will be asked if you wish to send the claim Now (Real-Time) or Later (Batch).
Select Later and Store.
When you are ready to transmit this claim, navigate to File > Maintenance and Reports > Daily and select ECLIPSE IMC Transmission.
Select Stored from the Claim Status drop-down and Genie will show you all claims waiting to be transmitted.
Select your claim that you wish to send and click the Transmit button at the top of the window.