Rule ILHeader-500-2 e-file error

Error message

IL Return Header (Rule ILHeader-500-2): If IL-Header TaxPeriodEndDate is not between 12/25/24 and 12/25/25, or IL-Header TaxPeriodBeginDt to TaxPeriodEndDt is greater than 53 weeks, you have filed an incorrect schema version.

The tax period end date isn't between 12/25/24 and 12/25/25
The tax period spans more than 53 weeks

Solution 1: Enter the signature date

Go to
Organizer
States
Common state
General Information
Basic Return Information
.
Select the
Signature Information
tab and enter the signature date in
Column K
for Illinois or
Column L
.
Do a full recompute.
Go to
Organizer
General Information
Basic Return Information
. Select the
Entity Information
tab.
Review the
Dates
section to verify the tax period begin and end dates.
Do a full recompute, then recreate the e-file.
If the tax period end date doesn't fall between 12/25/24 and 12/25/25, you'll need to either change the date or paper file per the Illinois schema requirements.

Solution 2: Alternative date override

Go to
Organizer
States
Common State
General Information
State Dates
Fiscal Year Date Overrides
.
Enter the corrected dates.
Do a full recompute, then recreate the e-file.