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Colorado Senate Advances AI Bill After Committee Shake-Up as Tentative Deal Takes Shape

A tentative compromise would reshape SB4 to delay implementation, with negotiators still hammering out liability and disclosure.

Colorado Sen. Jeff Bridges claps during a special session at the Colorado State Capitol in Denver on Thursday, Aug. 21, 2025. (Photo by AAron Ontiveroz/The Denver Post)
Sen. Robert Rodriguez sits at his desk during a special session at the Colorado State Capitol in Denver on Thursday, Aug. 21, 2025. (Photo by AAron Ontiveroz/The Denver Post)
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Overview

  • Senate Bill 4 cleared Appropriations on a 4-3 vote after Senate Majority Leader Robert Rodriguez replaced Sen. Jeff Bridges, then won an initial floor vote late Sunday.
  • Rodriguez amended SB4 to push the AI law’s start beyond February and to adjust disclosure provisions, moving the earliest effective date to at least May.
  • Rodriguez and other negotiators reported a deal on paper to significantly rewrite SB4, with final bill language being drafted for a potential final Senate vote.
  • Talks are zeroed in on who bears liability when AI discriminates and how much detail companies must provide to consumers about underlying data and decision factors.
  • A competing House measure, HB1008, advances as a simpler delay-only option backed by industry and schools, keeping an alternative path open as the special session continues.