Washington Revised Code Title 2. Courts of Record § 2.10.080. Funds and securities

(1) The state treasurer shall be the custodian of all funds and securities of the retirement system. Disbursements from this fund shall be made by the state treasurer upon receipt of duly authorized vouchers.

(2) The state treasurer is hereby authorized and directed to deposit any portion of the funds of the retirement system not needed for immediate use in the same manner and subject to all the provisions of law with respect to the deposit of state funds by such treasurer. All investment income earned by such portion of the retirement system's funds as may be deposited by the state treasurer in pursuance of authority herewith given shall be collected by him or her and placed to the credit of the retirement fund, less the allocation to the state treasurer's service fund pursuant to RCW 43.08.190.

(3) For the purpose of providing amounts to be used to defray the cost of administration, the judicial retirement board shall ascertain at the beginning of each biennium and request from the legislature an appropriation sufficient to cover estimated expenses for the said biennium.