"(13) Within existing resources, during the 2025-2027 fiscal biennium, the department of revenue shall implement an expanded voluntary disclosure program for all entities engaged in investment activities that are not a banking, lending, or security business, as defined in RCW
82.04.4281. Unless an audit has been commenced by the department as of July 1, 2025, all such entities may participate in the expanded voluntary disclosure program. During the 2025-2027 fiscal biennium, the department shall waive all penalties and interest for participating entities of the expanded voluntary disclosure program for the purpose of registering and collecting revenue due from businesses."