June 20th
“The Illinois Department of Revenue maintenance has been completed. We are again processing MeF submissions. We have picked up all files from the IRS that had been held during the shutdown, which began yesterday morning and continued through early afternoon today. We will be processing and acknowledging the files. Thank you for your patience during this process and I apologize for the confusion with the dates/day of week I provided in the original email.”
June 18th
Software vendors received the below messaging from Illinois Department of Revenue.
“Due to unexpected required maintenance, the Illinois Department of Revenue will not be processing MeF returns beginning 8:00 AM CT, Thursday, 06/19/2019. We expect this interruption in service to continue through approximately 12:00 PM CT, Tuesday, 06/25/2019. We will honor IRS received dates on all payments and returns received during this timeframe.”
Any Illinois returns submitted during this window will not receive an acknowledgement until the maintenance window has closed and processing of acknowledgements has resumed.