Oregon Revised Statutes Insurance § 731.840

(1) The retaliatory tax imposed upon a foreign or alien insurer under ORS 731.854 and 731.859, or the corporate excise tax imposed upon a foreign or alien insurer under ORS chapter 317, is in lieu of all other state taxes upon premiums, taxes upon income, franchise or other taxes measured by income that might otherwise be imposed upon the foreign or alien insurer except the fire insurance premiums tax imposed under ORS 731.820 and the tax imposed upon wet marine and transportation insurers under ORS 731.824 and 731.828. However, all real and personal property, if any, of the insurer shall be listed, assessed and taxed the same as real and personal property of like character of noninsurers. Nothing in this subsection shall be construed to preclude the imposition of the assessments imposed under ORS 656.612 upon a foreign or alien insurer.

(2) Subsection (1) of this section applies to a reciprocal insurer and its attorney in its capacity as such.

(3) Subsection (1) of this section applies to foreign or alien title insurers and to foreign or alien wet marine and transportation insurers issuing policies and subject to taxes referred to in ORS 731.824 and 731.828.

(4) The State of Oregon hereby preempts the field of regulating or of imposing excise, privilege, franchise, income, license, permit, registration, and similar taxes, licenses and fees upon insurers and their insurance producers and other representatives as such, and: