(2) In the event of a vacancy in the office of judge, the vacancy shall be filled by an appointment made by the Governor. The Governor may request the governors of the Oregon State Bar to submit to the Governor the names of five or more eligible persons deemed by them to be particularly experienced in the field of tax law, as an aid to the Governor in making the appointment. [1961 c.533 §§2,3(2); 1979 c.190 §412]