To prevent your employer from being assessed interest charges and late fees and ensure timely benefit processing for your members, below is a recommended monthly timeline of when your monthly Wage Report Data Collections should be submitted and payments made.

1st of the Month
- First day to begin submitting Wage Report.
- Monthly Wage Report Data Collection is created and available for completion in Employer Access. It is best practice to use this system-created Wage Report Data Collection.
10th of the Month
- Submit monthly Wage Report Data Collection to IMRF.
- Submission of the Wage Report by this date provides time for your employer to investigate any validations and/or for IMRF staff to complete verifications, if required.
- Provides time for Wage Report Invoice to be created after validations and verifications are complete.
20th of the Month – Payment Due
- Payment due on invoice for monthly Wage Report data collection.
- Reports must be completed before your employer is invoiced. Invoices must be paid on or before the 20th to prevent interest charges.
21st of the Month
- Interest begins accruing on unpaid balance of employer invoice for monthly Wage Report.
- Late Fees accrue for employers with missing Wage Report Data Collections
- Employers with a Minimum Monthly Contribution (MMC) receive the Minimum Monthly Contribution invoice
Last Day of the Month – Payment Due
- Payment due for Minimum Monthly Contribution (MMC) invoice.
- Payment for the MMC must be received by the last day of the month to avoid interest charges on the unpaid balance.
