Modifying existing tax preferences.

HB 2723 modifies Washington State's tax code by eliminating outdated tax exemptions, specifically targeting 786 existing exemptions that the legislature states have not been updated for a long time and were secured through private interests. The bill directly affects businesses currently benefiting from tax exemptions on machinery and equipment used in manufacturing, testing, or research operations, including gas distribution businesses that will lose their exemption for natural gas production equipment after July 1, 2027. Key provisions include amending tax codes to restrict exemptions for machinery/equipment to specific qualifying uses, requiring documentation for claims, and ending remittance programs for gas businesses starting in 2027. The goal is to increase revenue for the state general fund to support essential services by modernizing the tax code.