Orange County Employees Retirement System, Santa Ana, Calif., is searching for an auditor, said Robert Kinsler, OCERS spokesman, in an e-mail.
The selected firm will perform the annual audit of the $12.1 billion pension fund's financial statements for a period of five years, with an option for a one-year extension, beginning with the audit for 2015.
Incumbent Macias Gini & O'Connell's contract has expired; it is invited to rebid.
The RFP is available on OCERS' website.
Proposals are due at 5 p.m. PST on Nov. 16, with a selection expected by mid-December.