Colorado Veterinary VPA Information

Proposition 129 Information

Proposition 129: Establishing Veterinary Professional Associates was passed by Colorado voters on November 5, 2024. The State Board of Veterinary Medicine (Board) has completed initial rulemaking on Proposition 129, which became effective January 1, 2026. For more information you may review the Veterinary Board Rules. 

House Bill 25-1285 information

House Bill 25-1285 was signed into law by Governor Jared Polis on May 30, 2025. The bill establishes and modifies requirements related to the practice of veterinary medicine by a Veterinary Professional Associate (VPA). This law became effective on January 1, 2026. For more information on HB25-1285, please review the VPA Frequently Asked Questions.

The Board will engage in rulemaking related to HB25-1285 in the coming months. A timeline will be provided when it becomes available. A rule clarifies statute. It has the effect of law. When it comes to veterinary professions, rules are promulgated, or made, by the State Board of Veterinary Medicine. Every rule has a stakeholder process governed by the Administrative Procedures Act (Section 24-4-101, Colorado Revised Statutes). Stakeholder engagement can take multiple forms. Some of these may include accepting written comments, having stakeholder meetings, having public comment during rulemaking hearings and more.

Sign up through the DPO Rulemaking Notification System to be notified of proposed rule changes.