Workers’ compensation in Illinois

Illinois recalculates its workers’ compensation benefit maximums twice a year, in January and July, rather than annually. That cadence means Illinois figures go stale faster than any other state on a multi-state schedule, and cost projections built on an annual assumption drift within months.

The twice-yearly reset is the operational fact that matters here. Statute requires the Commission to post rates in mid-January and mid-July, so an Illinois maximum quoted from a document six months old is simply out of date. Anyone maintaining a multi-state rate schedule has to diary Illinois separately from the rest.

The maximum applies according to when the injury occurred, which on a loss run spanning a few years produces claims sitting under half a dozen different ceilings. Severity comparisons across periods need adjusting before they mean anything.

Illinois carries dense warehousing, freight and manufacturing payroll, particularly around the Chicago logistics corridor, and that is most of what we place in the state. Those classifications are where payroll misassignment costs the most, because the rate spread across adjacent industrial codes is wide.

Other statutory details for Illinois are not yet recorded here. Rather than infer them from the rate table, they are left absent until read directly from the Commission.

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