Oregon Revised Statutes Insurance § 731.636

(1) Except as provided in subsection (3) of this section, every alien insurer, before transacting insurance in this state as an authorized insurer, shall deposit with the Department of Consumer and Business Services the sum of the following amounts:

(2) ORS 731.640 (1)(d) does not apply with respect to such deposit.

(3) In lieu of such deposit, the insurer may furnish evidence satisfactory to the Director of the Department of Consumer and Business Services that it maintains in the United States, by way of trust deposits with public depositories or with trust institutions acceptable to the director, assets at least equal to the deposit otherwise required by this section.