IL HB4460

Amends the Property Tax Code Section 20-175 to create separate refund procedures for Cook County versus other Illinois counties.

Allows Cook County claimants to recover costs of suit in addition to tax refunds, unlike other counties.

Establishes a $2,500,000 annual cap on refunds in Cook County for claims arising before January 1, 2009, with refunds deferred to the next year if the cap would be exceeded.

Extends the filing deadline for Cook County refund claims to 20 years from the date the right to a refund arose, compared to 5 years in other counties.

Creates a temporary one-year window (September 1, 2011 to September 1, 2012) for Cook County to accept refund claims arising between January 1, 2000 and more than 5 years before filing, with a separate $350,000 aggregate limit.