600.07 Issues--Apportionment of Responsibility--Complaint and Claims for Contribution Tried and Submitted Concurrently to the Same Jury--Third Party Complaint--Negligence This instruction is replaced by IPI 600.02, which has been expanded to include both concurrent submissions of counterclaims for contribution and also third-party complaints. Those two situations were previously split between IPI 600.02 and IPI 600.07.