40.04(3)(am)3.c.c. An amount equal to 20 percent of the sum of the differences between the total market value investment return earned by the core retirement investment trust and the expected amount of investment return of the core retirement investment trust at the end of the 4 preceding years. For the purpose of making this calculation, the amount in the market recognition account at the end of each year that occurs before the year 2000 shall be assumed to be zero.

40.04(3)(b)(b) The assets of the core retirement investment trust shall be commingled and the assets of the variable retirement investment trust shall be commingled. No particular contributing benefit plan shall have any right in any specific item of cash, investment, or other property in either trust other than an undivided interest in the whole as provided in this paragraph. The department of administration shall maintain any records as may be required to account for each contributing account’s share in the corresponding trust except that the employee accumulation reserve, the employer accumulation reserve and the annuity reserve shall be treated as a single account, except as provided in sub. (7).

40.04(3)(c)(c) The department shall advise the investment board and the secretary of administration as to the limitations on the amounts of cash to be invested from investment trusts under this subsection in order to maintain the cash balances deemed advisable to meet current annuity, benefit and expense requirements.

40.04(3)(d)(d) Notwithstanding par. (a), assets of the core retirement investment trust which are authorized to be invested in common or preferred stock may, if authorized by rule, be invested as a part of the variable retirement investment trust with that portion of the annual distributions of net gains or losses to the core retirement investment trust from the variable retirement investment trust being credited to the market recognition account.

40.04(4)(a)(a) An employee accumulation reserve, within which a separate account shall be maintained for each participant, shall be maintained within the fund and:

40.04(4)(a)2.2. Credited as of each December 31 with interest on the prior year’s closing balance at the effective rate on all employee required contribution accumulations in the variable annuity division, on all employee required contributions in the core annuity division on December 31, 1984, on all employee required contributions in the core annuity division of participants who are not participating employees after December 31, 1984, and on all employee and employer additional contribution accumulations and with interest on the prior year’s closing balance at the assumed benefit rate on all employee required contribution accumulations in the core annuity division for participants who are participating employees after December 31, 1984, but who terminated covered employment before December 30, 1999.

40.04(4)(a)2m.2m. Debited, if a participant terminates covered employment on or after January 1, 1990, but before December 30, 1999, and applies for a benefit under s. 40.25 (2), with an amount equal to the amount by which the core annuity division interest credited on or after January 1, 1990, but before December 30, 1999, to employee required contributions, exceeds the interest crediting at an annual rate of 3 percent on each prior year’s closing balance.

40.04(4)(a)3.3. Debited by the amount available in any participant’s account for funding a benefit elected by the participant or the participant’s beneficiary. When the amount available has been applied to funding the benefit, no further right to the amounts, or to corresponding creditable service and employer contribution accumulations, shall exist other than the right to the annuity or benefit so granted except as provided in s. 40.63 (10).

40.04(4)(b)(b) Whenever a payment under s. 40.25 (4), an annuity or a death benefit is computed, the prior year’s closing balance of all employee contribution accumulations and any accounts maintained for individual participants shall be credited with interest for each full month elapsing between the first day of the calendar year and the annuity effective date or the month in which the payment of a benefit under s. 40.25 (4) is approved at one-twelfth of the assumed benefit rate. The interest so credited shall be charged to the interest earnings for the current year and shall be paid out or transferred with the amount to which it was so credited.

40.04(4)(bm)(bm) Whenever a payment under s. 40.25 (1) is computed under s. 40.23 (3), the prior year’s closing balance of all employee and employer contribution accumulations and any accounts maintained for individual participants shall be credited with interest for each full month elapsing between the first day of the calendar year and the month in which the payment under s. 40.25 (1) is approved at one-twelfth of the assumed benefit rate. The interest so credited shall be charged to the interest earnings for the current year and shall be paid out or transferred with the amount to which it was so credited.

40.04(4)(c)(c) Whenever a participant’s account is reestablished under s. 40.63 (10), in lieu of interest credits as provided in par. (a), any balances remaining in the account at the end of the calendar year in which reestablished shall be credited with interest at one-twelfth the assumed benefit rate for the year for each full month between the date the account was reestablished and the end of the calendar year.

40.04(5)(a)(a) Credited all employer required contributions.

40.04(5)(b)(b) Credited, as of each December 31, all core annuity division interest not credited to other accounts and reserves under this section.

40.04(5)(c)(c) Debited the aggregate excess of the amount of each single sum benefit or in the case of an annuity the present value of the annuity over the amount equal to the accumulated credits of the participant in the employee accumulation reserve applied to provide for the benefit or annuity.

40.04(5)(d)(d) Credited as of the date of termination of any annuity under s. 40.63 (9) (c) with the excess of the then present value of the terminated annuity over the aggregate amount of credits reestablished in the accounts of the participant.

40.04(5)(e)(e) Credited all amounts waived, released or forfeited under any provision of this chapter.

40.04(6)(6) An annuity reserve shall be maintained within the fund to which shall be transferred amounts equal to the present value as of the date of commencement of annuities granted under this chapter. The reserve shall be increased by investment earnings at the effective rate and shall be reduced by the aggregate amount of annuity payments and death benefits paid with respect to the annuities and by the present value at the date of termination of annuities terminated in accordance with s. 40.08 (3) or 40.63 (9) (c).

40.04(7)(a)(a) As otherwise elected by a participant prior to April 30, 1980, or on or after January 1, 2001. Any participant who was a participant prior to April 30, 1980, and whose accounts on January 1, 1982, include credits segregated for a variable annuity shall have his or her required and additional contributions made on or after January 1, 1982, credited to the variable annuity division in a manner consistent with the participant’s election prior to April 30, 1980, unless prior to January 1, 1982, the participant terminated such election under s. 40.85, 1979 stats. Any participant who elects or has elected to have any of his or her credits segregated for a variable annuity on or after January 1, 2001, shall have 50 percent of his or her required and additional contributions made on or after the date of election credited to the variable annuity division. The department shall by rule provide that any participant who elects or has elected variable participation prior to April 30, 1980, or on or after January 1, 2001, may elect to cancel that variable participation as to future contributions. The department’s rules shall permit a participant who elects or has elected to cancel variable participation as to future contributions, or an annuitant, to elect to transfer previous variable contribution accumulations to the core annuity division. A transfer of variable contribution accumulations under this paragraph shall result in the participant receiving the accrued gain or loss from the participant’s variable participation. A participant may specify that election to cancel participation in the variable annuity division is conditional. If the participant so specifies the election is effective on the first date on which it may take effect on which the participant: