# Disclose the use of the technology and the principal reasons after an adverse consequential decision

- **Record type**: Obligation
- **Instrument**: Colorado Senate Bill 26-189: Automated Decision-Making Technology (replacement of the Colorado AI Act)
- **Jurisdiction**: Colorado (United States)
- **Category**: transparency
- **Binding**: Yes
- **Applies from**: 2027-01-01

## In brief

Disclose the use of the technology and the principal reasons after an adverse consequential decision is a legal requirement under the Colorado ADMT law (SB 26-189) in Colorado (United States). It applies from 1 January 2027. In practice: Template an adverse-decision letter that names the tool, the main reasons and the human-review route.

## What the duty requires

After an adverse consequential decision, the deployer must tell the consumer that automated decision-making technology was used, give the principal reasons for the decision, and explain how to obtain human review.

## What an organisation does about it

Template an adverse-decision letter that names the tool, the main reasons and the human-review route.

## Controls that meet this duty

- Decision explanation, human review and appeal route (satisfies): https://aipolicytracker.org/controls/decision-explanation-and-appeal-route

## Parent instrument

- Colorado Senate Bill 26-189: Automated Decision-Making Technology (replacement of the Colorado AI Act)
  - Record: https://aipolicytracker.org/policies/us-colorado-automated-decision-making-technology-act
  - Context file: https://aipolicytracker.org/policies/us-colorado-automated-decision-making-technology-act.md

## Provenance

- **Record page**: https://aipolicytracker.org/obligations/us-colorado-admt-adverse-decision-disclosure
- **Official source**: https://leg.colorado.gov/bills/sb26-189
- **Review status**: pending review
- **Confidence**: medium
- **Facts last confirmed**: never confirmed against the official source
- **Retrieved**: 2026-09-27
- **Licence**: https://creativecommons.org/licenses/by/4.0/

> This record is a structured summary with a link to the official text. It is not legal advice. Open the official source before relying on any date or duty. How current each record type must be is published at https://aipolicytracker.org/verification; what a record must carry at all is published at https://aipolicytracker.org/coverage.