Latest COST Conscious ISSUE 26-12; June 12, 2026 Washington State Margins Tax Proposal – Member Feedback – Washington State Representative April Berg (D) circulated draft legislation that would replace Washington’s B&O tax with a Texas-style margins tax, phased in over five years beginning in 2028. The proposal would apply to all entity types with substantial nexus under current standards and would introduce mandatory unitary combined reporting.
Latest Legislative Alert ISSUE 26-24; June 17, 2026 COST Provides Comments on Proposed Amendments to Illinois Addback Regulation; COST Supports Michigan Marketplace Facilitator Legislation
Latest Practitioner Connection ISSUE 26-11; Jun 5, 2026 GeTtin’ SALTy Episode 77: Leading the MTC: A Conversation with New Executive Director Keith Richardson – This episode of GeTtin’ SALTy features an introductory conversation with Keith Richardson, the newly appointed Executive Director of the Multistate Tax Commission (MTC). Host Nikki Dobay explores Keith’s unconventional path to state and local tax administration, tracing his career from communit
