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• Prop NN: Will boost in school funding and TABOR cap raise help or hurt businesses? September 30, 2026
  Backers label Proposition NN a measure to boost school funding while opponents warn that it will eliminate Taxpayer’s Bill of Rights refunds for Colorado residents.... The post Prop NN: Will boost in school funding and TABOR cap raise help or hurt businesses? appeared first on The Sum and Substance.
• Sept. 28 “Colorado Chamber Office Hours”: Income tax rates on the November ballot September 28, 2026
  Two income-tax initiatives — Amendment 87 and Proposition 136 — are dominating the business-community discussions around the 2026 Colorado ballot. And on the latest episode... The post Sept. 28 “Colorado Chamber Office Hours”: Income tax rates on the November ballot appeared first on The Sum and Substance.
• The income-tax debate that will shape the future of Colorado September 26, 2026
  Colorado leaders last changed the state’s income-tax system in 1987, moving from a graduated to a flat-tax structure in which every resident and business pay... The post The income-tax debate that will shape the future of Colorado appeared first on The Sum and Substance.