Illinois State Senate District 24 issued the following announcement on April 6.
If you scheduled an electronic payment for 2019 income taxes to be paid on or before April 15, 2020, your payment will not automatically be rescheduled to July 15, 2020. If you do nothing, the payment will be made on the date you chose.
If the payment has not been processed, you may be able to cancel or reschedule it. You must cancel or reschedule the payment before its scheduled date.
Original source can be found here.