ORS 58.129: Requirements to transact business in this state.

(1) A foreign professional corporation may render professional service or services in this state only after the foreign professional corporation obtains:

      (a) Approval from the regulatory board of each professional service which will be rendered in this state before offering or rendering the service in this state; and

      (b) Authorization to transact business in this state from the Secretary of State.

      (2) A foreign professional corporation may not obtain authority to transact business in this state, unless:

      (a) The name of the corporation satisfies the requirements of ORS 58.115; and

      (b) It complies with ORS 58.076.