Oregon Revised Statutes Public Financial Administration § 295.101

(a) Funds that are deposited for the purpose of paying principal, interest or premium, if any, on bonds, as defined in ORS 286A.001 and 287A.001, and related costs or securing a borrowing related to an agreement for exchange of interest rates entered into under ORS 286A.110 or 287A.335.

(b) Funds that are invested in authorized investments under provisions of law other than ORS 295.001 to 295.108. Funds invested under ORS 293.701 to 293.857 are invested in authorized investments for purposes of this subsection from the time the funds are transferred by the State Treasurer to a third party under the terms of a contract for investment or administration of the funds that requires such a transfer until the time the funds are returned to the treasurer or paid to another party under the terms of the contract.

(c) Negotiable certificates of deposit purchased by the State Treasurer under ORS 293.736 or by an investment manager under ORS 293.741.

(d) Funds that are held by a public official and are required by federal law or contractual provisions to be collateralized at 100 percent, if the funds are deposited in an account that is separate from other accounts of the public official in a depository, and the public official and the depository have entered into a written agreement that provides a perfected security interest to the public official in collateral valued at an amount at least equal to the amount of funds in the account in a manner substantially similar to a pledge agreement described in ORS 295.001 (15).