Washington Revised Code Title 28A. Common School Provisions § 28A.515.330. Permanent common school fund--Allowable investments--Irreducible principal

The state investment board may invest the permanent common school fund in various types of allowable investments in order to achieve a balance of long-term growth and current income, when consistent with the best interest of the state and the permanent common school fund, and in conformance with RCW 43.84.150. The state treasurer shall calculate the irreducible principal amount of the fund in accordance with the state Constitution and state law. The irreducible principal shall not include investment gains on the principal, and the fund may retain or distribute income and investment earnings in order to achieve the appropriate balance between growth and income.