IBR MLS Rules

The Ithaca Board of REALTORS® MLS (IBR) is considered a ‘sub-board’ in the Upstate New York Real Estate Information Services LLC (UNYREIS) MLS database in Rochester. Things to know:UNYREIS is a founding partner in the New York State Alliance of MLSs (NYSAMLSs).

• The NYSAMLSs Matrix database includes listings from 11 MLSs as follows:
  • Upstate New York Real Estate Information Services (UNYREIS) in Rochester, NY including sub-boards of Chautauqua-Cattaraugus NY MLS, Elmira-Corning NY MLS, Ithaca NY MLS, Ithaca Board of REALTORS MLS, Otsego-Delaware NY MLS, and McKean County PA MLS
  • Central New York Information Services (CNYIS) in Syracuse, NY including sub-boards of Cortland MLS, Jefferson-Lewis MLS and Mohawk Valley MLS.
  • Western New York Real Estate Information Service MLS (WNYREIS) in Buffalo, NY.

  These policies apply to the NYSAMLSs Multiple Listing Service (MLS database).

  • NYS Alliance MLS Rules for IBR - *Effective 02/01/2025*
  • IBR MLS Fees/Fines - Appendix A

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  Delayed Showing and Negotiation
  Provide the completed form as an attachment to the listing at the same time the listing is entered into the MLS; Include the date(s) upon which showings and negotiations, and/or negotiations begin in the Private and Public Remarks sections of the listing.
  Note that if you are delaying showings, then you must also delay negotiations.

  • Delayed Showing/Negotiation Addendum (2023)

  Comp Only Listings
  Reporting Non-MLS Sales for Comparable Purposes Only (Comp Only) is allowed within 30 days of closing, however, only MLS staff may finalize the status as Sold in the MLS.

  • Authorization to Enter Comparable Sale Into MLS (IBR) (Rev. 03/2024)

  Clear Cooperation Rule

  • Clear Cooperation Rollout Overview *Rev. 02/26/2020*
  • Clear Cooperation Rollout Q&A *Rev. 02/26/2020*
  • Click here to learn more from NAR including a recorded webinar on this topic