@NV 

I have good news to share!

It appears you were not the only one asking Illinois for this functionality.  They updated their systems and are now able to receive IL-1120 filings that are 1120-H federal filers electronically.  We have just released a Proseries update today allowing this functionality for impacted filers in IL.   

This means you will not be forced to paper file those IL-1120's anymore for homeowner associations, etc.  

I hope this makes life easier in the future.