The Colorado Deferred Compensation Plan, Denver, plans to issue an RFP for an investment consultant, said Suzanne Kubec, defined contribution plan administrator. The $302 million plan's contract with Arnerich Massena & Associates expires June 30, and state law requires that the contract be put out to bid every five years. Arnerich Massena can rebid. The RFP will be available Dec. 8 at www.colorado457.com. Proposals are due Jan. 8. No date for a selection was given.