State of Delaware Employees' Deferred Compensation Plan, Dover, issued an RFP for auditing services for its $285 million 457 plan, said Christy Vanderwende, deferred compensation specialist. The search is part of the fund's due diligence process. Fidelity is administrator of the plan, which offers 20 core investment options. The RFP is available online at www.state.de.us. Proposals are due June 26; a selection is expected by July 14.