Citation: Stat. - Wis. Stat. Ann. § 62.63 (4)

62.63. Benefit funds for officers and employees of 1st class cities

(1) Establishment of funds. By a majority vote of the members--elect, the common council of a 1st class city may create, establish, maintain and administer annuity and benefit funds for city officers and employees, including officers and employees of boards, agencies, departments and divisions of the city government and of a housing authority established under s. 66.1201.

(2) Retirement board. By a majority vote of its members , the common council of a 1st class city may create a retirement board to administer an annuity and benefit fund under this section. The retirement board may make rules and regulations under which all participants contribute to and receive benefits from the fund. Members of the board shall serve without compensation. Three members of the board shall be city employees elected by the members of the retirement system and shall serve 4--year terms and 5 members shall be appointed under s. 62.51 and shall serve 3--year terms. The common council may provide for contribution by the city to the annuity and benefit fund. The executive director of the retirement board shall be appointed under s. 62.51.

(3) Investment of retirement funds . The board of a retirement system of a 1st class city, whose funds are independent of control by the investment board, may invest funds from the system, in excess of the amount of cash required for current operations, in loans, securities and any other investments authorized for investment of funds of the public employee trust fund under s. 25.17(3)(a) and (4). The independent retirement system board is subject to the conditions imposed on the investment board in making the investments under s . 25.17(3)(e) to (g), (4), (7), (8) and (15) but is exempt from the operation of ch. 881. In addition to all other authority for the investment of funds granted to the board of a retirement system of a 1st class city whose funds are independent of the control of the investment board, the retirement system board of the city may invest its funds in accordance with s. 206.34, 1969 stats. [FN1] In making investments under this subsection, the board of a retirement system of a 1st class city may invest in shares of investments authorized under this subsection.

(4) Exemption of funds and benefits from taxation, execution and assignment. Except as provided in s. 49.852 and subject to s. 767.265, all moneys and assets of a retirement system of a 1st class city and all benefits and allowances , both before and after payment to any beneficiary, granted under the retirement system are exempt from any state, county or municipal tax or from attachment or garnishment process. The benefits and allowances may not be seized, taken, detained or levied upon by virtue of any executions, or any process or proceeding issued out of or by any court of this state, for the payment and ratification in whole or in part of any debt, claim, damage, demand or judgment against any member of or beneficiary under the retirement system. No member of or beneficiary under the retirement system may assign any benefit or allowance either by way of mortgage or otherwise. The prohibition against assigning a benefit or allowance does not apply to assignments made for the payment of insurance premiums. The exemption from taxation under this section does not apply with respect to any tax on income.