□ I am a new participant in the County of Riverside 457 Deferred Compensation Plan Note: Only use this form if you have established an account in the Plan. Call the Injury Intake Center at (888) 826-7835 and complete the New Injury Packet (Fillable) and submit a copy to Workers' Compensation Division.The Riverside County Board of Supervisors is the only authority that may obligate the County for a non-cancelable multi-year agreement. 3. Compensation. 3.1. "Covered Professional Services" as designated in the policy must specifically include work performed under this Agreement. Claims Administrator: State Compensation Insurance Fund – State Contract Claims. Location: Riverside.