Once each year the Department of Revenue shall conduct a training session of not more than four days’ duration dedicated to the schooling of persons whose names appear in the pools described in ORS 309.067 in the functions of the property value appeals board. [1955 c.709 §5; 1993 c.270 §24; 1995 c.226 §8; 1997 c.541 §97; 2023 c.29 §11]