> For the complete documentation index, see [llms.txt](https://rulebook.bscmls.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rulebook.bscmls.com/bscmls-rules-and-regulations-or-official-mls-rulebook.md).

# BSCMLS Rules & Regulations | Official MLS Rulebook

### BSCMLS Rulebook updates

**Last updated: July 2026**

This revision includes significant Rulebook updates. Pay particular attention to:

* **Sections 5–6:** Property classifications, seller marketing options, Office Exclusive procedures, and Clear Cooperation Policy requirements.
* **Section 8:** Compensation rules, seller concessions, consumer disclosures, and written buyer agreements.
* **Section 10:** Listing status definitions and reporting deadlines.
* **Section 11:** COMP ONLY eligibility, sold-data reporting, privacy, and MLS record retention.
* **Sections 12–14:** MLS data use, advertising, and data-feed requirements.
* **Section 15:** New AI-generated and AI-altered content policy.
* **Section 16:** Revised violation categories, fines, and enforcement procedures.

{% hint style="info" %}

#### Office Exclusive implementation note:

Until BSCMLS announces otherwise, Office Exclusive listings remain withheld from the MLS and must be handled under Sections 6.3–6.5.
{% endhint %}

***

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Welcome to the official Big Sky Country MLS (BSCMLS) Rules & Regulations. This MLS Rulebook defines the rules, policies, and procedures for BSCMLS services and MLS data. It applies to Participants, Subscribers, appraisers, assistants, and authorized users. Compliance is required for MLS access. Violations may result in fines, suspension, termination, or other enforcement action under [Section 16: MLS Policy & Enforcement](/section-16-mls-policy-and-enforcement.md).

This website is the official, controlling source for BSCMLS rules, updates, and revisions. Printed or downloaded copies may be outdated. Review the [Revision History](/revision-history.md) for changes and use [Find a Topic](/find-a-topic.md) to locate specific rules.

### Preamble

Big Sky Country MLS (“BSCMLS”) provides this handbook to establish clear, consistent, and transparent standards for MLS services, MLS data, and related tools. These MLS Rules & Regulations support cooperation among real estate professionals. They also protect MLS integrity and clarify the rights, responsibilities, and obligations of Participants and Subscribers.

This MLS Rulebook applies to BSCMLS Participants, Subscribers, appraisers, assistants, and others with access to BSCMLS services, data, or related products. MLS access requires compliance with these Rules & Regulations, applicable BSCMLS policies, and mandatory National Association of REALTORS® requirements.

BSCMLS may interpret, administer, and enforce these MLS Rules & Regulations under its governing documents, applicable law, and controlling national policies. This Rulebook does not expand rights beyond those BSCMLS expressly grants.


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