Worker Protection Collective Bargaining
Summary
The act makes the following changes to the 'Labor Peace Act':Specifies that employees' right to bargain collectively includes the right to bargain collectively concerning any mandatory subject of bargaining;Eliminates the requirement for a second election to negotiate a union security agreement clause in the collective bargaining process;Declares that it is not an unfair labor practice for an employer to refuse to agree to a lawful proposal made by the exclusive representative of the employees, or for the exclusive representative of the employees to refuse to agree to a lawful proposal made by the employer, concerning a mandatory subject of bargaining if the refusing party has bargained in good faith with the other party; andRequires employers and employees, through their exclusive representative, to bargain in good faith.(Note: This summary applies to this bill as enacted.)
Bill status
vetoed
4 of 5 stages cleared
Introduction
Jan 2026
Committee Review
Apr 2026
House Passage
May 2026
Senate Passage
May 2026
Vetoed
May 2026
Introduced Jan 14, 2026
Vetoed May 28, 2026
Maddy AI version diff · 5 comparisons
What changed between versions
Rerevised
→
Final Act
·
3 edits
·
May 18, 2026
MINOR
This bill amends Colorado's Labor Peace Act to clarify that employees have the right to bargain over any mandatory subject, including union security agreements, without needing a second election. It also updates the definition of unfair labor practices to explicitly allow employers to encourage or discourage union membership if approved by a majority vote in an election, removing previous barriers to union security agreements.
Scope change
The bill expands the scope of collective bargaining rights to include union security agreements and clarifies the conditions under which employers can negotiate such agreements without violating unfair labor practice laws.
REQUIREMENT
Amended the legislative declaration to emphasize that employees have the right to bargain collectively concerning any mandatory subject of bargaining, including union security agreements.
Repealed provisions that previously required a second election for union security agreements, simplifying the process for establishing such agreements.
DEFINITION
Updated the definition of unfair labor practices to explicitly permit employers to encourage or discourage union membership if the resulting agreement is approved by a majority vote in an election.
Floor votes
How they voted
This bill passed the Senate by voice vote (no roll call recorded).
Full legislative history
Actions timeline
Total actions
18
Key actions
6
Committee
5
May 28, 2026
Vetoed
Governor Vetoed
executive
May 19, 2026
Upper · Passed
Signed by the President of the Senate
upper
May 19, 2026
Lower · Passed
Signed by the Speaker of the House
lower
May 1, 2026
Upper · Passed
Senate Third Reading Passed - No Amendments
upper
Apr 21, 2026
Upper · Passed
Senate Committee on Appropriations Refer Unamended to Senate Committee of the Whole
upper
Mar 24, 2026
Committee
Senate Committee on Business, Labor, & Technology Refer Unamended to Appropriations
upper
Mar 12, 2026
Introduced
Introduced In Senate - Assigned to Business, Labor, & Technology
upper
Mar 9, 2026
Lower · Passed
House Third Reading Passed - No Amendments
lower
Feb 27, 2026
Lower · Passed
House Committee on Appropriations Refer Amended to House Committee of the Whole
lower
Feb 12, 2026
Committee
House Committee on Finance Refer Unamended to Appropriations
lower
Feb 5, 2026
Committee
House Committee on Business Affairs & Labor Refer Unamended to Finance
lower
Jan 14, 2026
Introduced
Introduced In House - Assigned to Business Affairs & Labor
lower
42 primary · 20 co-sponsors
Sponsors
Role
Legislator
Party
State
District
P
Andy Boesenecker
DDemocratic
P
Brianna Titone
DDemocratic
P
Cathy Kipp
DDemocratic
P
Cecelia Espenoza
DDemocratic
P
Chad Clifford
DDemocratic
P
Chris Kolker
DDemocratic
P
Eliza Hamrick
DDemocratic
P
Elizabeth Velasco
DDemocratic
P
Emily Sirota
DDemocratic
P
Gretchen Rydin
DDemocratic
P
Iman Jodeh
DDemocratic
P
Jacque Phillips
DDemocratic
P
Jamie Jackson
DDemocratic
P
Janice Marchman
DDemocratic
P
Javier Mabrey
DDemocratic
P
Jeff Bridges
DDemocratic
P
Jennifer Bacon
DDemocratic
P
Jessie Danielson
DDemocratic
P
Julie Gonzales
DDemocratic
P
Karen McCormick
DDemocratic
P
Katie Stewart
DDemocratic
P
Katie Wallace
DDemocratic
P
Kyle Brown
DDemocratic
P
Lindsay Gilchrist
DDemocratic
P
Lisa Cutter
DDemocratic
P
LG
Lorena García
DDemocratic
P
Mandy Lindsay
DDemocratic
P
Matt Martinez
DDemocratic
P
Meg Froelich
DDemocratic
P
Meghan Lukens
DDemocratic
P
Mike Weissman
DDemocratic
P
Monica Duran
DDemocratic
P
Nick Hinrichsen
DDemocratic
P
Rebekah Stewart
DDemocratic
P
Sean Camacho
DDemocratic
P
Sheila Lieder
DDemocratic
P
Steven Woodrow
DDemocratic
P
Tisha Mauro
DDemocratic
P
Tom Sullivan
DDemocratic
P
Tony Exum
DDemocratic
P
William Lindstedt
DDemocratic
P
Yara Zokaie
DDemocratic
Co
Adrienne Benavidez
DDemocratic
Co
Amy Paschal
DDemocratic
Co
Dylan Roberts
DDemocratic
Co
James Coleman
DDemocratic
Co
Jenny Willford
DDemocratic
Co
Judy Amabile
DDemocratic
Co
Julie McCluskie
DDemocratic
Co
Junie Joseph
DDemocratic
Co
Kenny Nguyen
DDemocratic
Co
Kyle Mullica
DDemocratic
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