(a)

1. (1) The cost of administration of the public self-insured program by the Director of Industrial Relations shall be borne by the Workers’ Compensation Administration Revolving Fund.
2. (2) The cost of administration of the private self-insured program by the Director of Industrial Relations shall be borne by the private self-insurers through payment of certificate fees which shall be established by the director in broad ranges based on the comparative numbers of employees insured by the private self-insurers and the number of adjusting locations. The director may assess other fees as necessary to cover the costs of special audits or services rendered to private self-insured employers. The director may assess a civil penalty for late filing as set forth in subdivision (a) of Section 3702.9.

(b) All revenues from fees and penalties paid by private self-insured employers shall be deposited into the Self-Insurance Plans Fund, which is hereby created for the administration of the private self-insurance program. Any unencumbered balance in subdivision (a) of Item 8350-001-001 of the Budget Act of 1983 shall be transferred to the Self-Insurance Plans Fund. The director shall annually eliminate any unused surplus in the Self-Insurance Plans Fund by reducing certificate fee assessments by an appropriate amount in the subsequent year. Moneys paid into the Self-Insurance Plans Fund for administration of the private self-insured program shall not be used by any other department or agency or for any purpose other than administration of the private self-insurance program. Detailed accountability shall be maintained by the director for any security deposit or other funds held in trust for the Self-Insurer’s Security Fund in the Self-Insurance Plans Fund.

Moneys held by the director shall be invested in the Surplus Money Investment Fund. Interest shall be paid on all moneys transferred to the General Fund in accordance with Section 16310 of the Government Code. The Treasurer’s and Controller’s administrative costs may be charged to the interest earnings upon approval of the director.