Oregon Revised Statutes Public Financial Administration § 293.190

(1) On December 31 in each odd-numbered year, all General Fund appropriation balances as recorded on the records of the Oregon Department of Administrative Services for the prior biennium shall revert to the General Fund except for capital construction, continuing contracts, contested claims, special appropriations designated by legislative action, appropriations described in ORS 293.195 or savings continuously appropriated to agencies under ORS 291.120.

(2) On December 31 in each odd-numbered year, all limitation balances on any separate fund or cash account in the State Treasury shall be canceled except for continuing contracts, contested claims or special limitations designated by legislative action.

(3) Notwithstanding subsections (1) and (2) of this section, under conditions which shall be described by the department by rule, upon request, an extension may be granted to allow an agency to make final analyses and corrections before an appropriation or limitation is canceled. The procedures for requesting an extension and the criteria for approving the request shall be established by the department.