24 efit plans shall be deposited with a trustee designated by the board. All such 25 funds are hereby perpetually appropriated to the board, shall not be included 26 in the department's budget, and may be invested or used to pay for investment 27 and administrative expenses of the supplemental benefit plans. Inactive mem- 28 bers may be required to transfer supplemental benefit plan account balances as 29 determined by the board. The board may establish rules to implement and administer supplemen- 31 tal benefit plans. Costs of administration shall be appropriated by the legis- 32 lature and may be paid from the interest earnings of the funds accrued as a 33 result of the deposits or as an assessment against each account, to be decided 34 by the board.
Investment related expenses are exempt from appropriation.
Distributions of funds held in supplemen- 38 tal benefit plan accounts are subject to federal law limitations. The board 39 may provide for retirement disbursement options other than lump sum payments. All additional contributions made by the employee under this section 41 shall continue to be included as regular compensation for the purpose of com- 42 puting the employer and employee retirement contributions and pension benefits 43 earned by an employee under this chapter, but such sum shall not be included 44 in the computation of any income taxes withheld on behalf of any employee. However, funds accrued in a supplemental benefit plan account shall not be 46 considered in determining any other benefits under this chapter. Requirements 53 for assignments of supplemental accounts may be set forth in rule or other 54 plan documents.