(1) The defendant had held a license issued under ORS 475B.010 to 475B.545, or was performing work for or on behalf of a person that had held a license issued under ORS 475B.010 to 475B.545;
(2) The violation concerned an activity for which the license exempts the person from ORS 475B.337, 475B.346 or 475B.349;
(3) The license had lapsed or had been suspended or revoked; and
(4) The defendant reasonably believed that the license had not lapsed or had not been suspended or revoked. [2017 c.21 §20]