On September 24, several important updates to the MLS Rules will take effect, reflecting the July revisions from C.A.R.’s model MLS rules. These updates are being made to bring California’s rules into alignment with recent policy changes adopted by the National Association of REALTORS® (NAR).

The upcoming revisions include:

• Seller Options Policy Compliance: Updates will ensure compliance with NAR’s Multiple Listing Options for Sellers Policy. Most changes are mandatory for MLSs, though the option to incorporate Delayed Marketing Exempt Listings remains optional.
• IDX and VOW Rule Updates: Revisions will address new NAR requirements on the co-mingling of MLS and non-MLS data, as approved by the NAR Board of Directors at the 2025 Midyear Meeting. These changes are mandatory.
• Other Updates:
  • Section 5.1.4 (Book Fees) will be removed, as MLSs no longer produce physical listing books.
  • Section 7.20 (Auction Listings) will be revised to eliminate an inaccurate reference and clarify the definition of a reserve auction.

These revisions are designed to ensure consistency, compliance, and clarity across MLS operations statewide while aligning with national policy.

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