By: @Aaron Avery
On December 15, 2025, CSDA teamed up with its partners at Rural County Representatives of California, California State Association of Counties, Urban Counties of California, and League of California Cities on a live webinar discussing what agencies need to know about implementing AB 339 (Ortega) Local public employee organizations: notice requirements.
A recording of the webinar is now available to CSDA members on-demand here: AB 339 Explained: New Labor Notice Rules for Public Contracting.
CSDA was a leader in the coalition opposed to AB 339; however, Governor Newsom signed a pared back version of the law in October. Effective January 1, 2026, AB 339 updates the Meyers-Milias-Brown Act (MMBA) by establishing new formal notice and procedural requirements for local public agencies related to contracting. For any contracting decision involving services within the scope of work for any represented employees, management must now adhere to a minimum of 45 days' written notice to the affected employee organization before issuing a Request for Proposals (RFP), a Request for Quotes (RFQ), or renewing or extending an existing service contract.
AB 339 does not apply to special districts that do not have represented workforces (unions).
The on-demand webinar offers both policy context and a technical breakdown of the new requirements for contracting under the MMBA, along with strategies for implementation.
For additional information about AB 339, please see CSDA’s New Laws Series article on the topic: 2026 New Laws Series, Part 7: 45-Day Notification Prior to Contracting for Services (AB 339).
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