Idaho Public Employee Retirement System, Boise, issued an RFP for auditing services for its $11.8 billion defined benefit plan, according to its website. Milliman Inc. is the current auditor and is invited to rebid. The RFP is available at http://persi.state.id.us/html/FinancialAuditRFP2008.pdf. The proposal is due Feb. 15 and a decision is expected by March 25. James Monroe, financial officer, did not return calls by press time.