A new lawsuit filed by Wayfair, LLC in Jefferson County Court (Colorado) seeks to address a question left open by the U.S. Supreme Court’s landmark 2018 Wayfair decision that permits states to impose a sales or use tax collection obligation based on an economic nexus threshold:  Does this decision apply to locally-administered sales or use taxes?  While many localities have asserted that the same economic nexus standards should apply at the state and local levels,…