Welcome to the
Municipal Securities Rulemaking Board

The MSRB protects and strengthens the municipal bond market, enabling access to capital, economic growth, and societal progress in tens of thousands of communities across the country.

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What’s New at the MSRB?

Press Releases
Regulators to Hold Outreach Event For Municipal Market…
June 25, 2025
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SEC Filing
Proposed Rule Change to Amend Rule G-14 RTRS Procedures under…
June 10, 2025
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Press Releases
MSRB Rescinds One-Minute Trade Reporting Standard, Responding to…
June 9, 2025
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MSRB Rules & Interpretive Guidance

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Requests for Comment, Notices &
Compliance Resources

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How we fulfill our mission:
beyond rulemaking

Data & Research

MSRB data sets and original research help deepen understanding of municipal market trends.

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Education

MSRB resources empower investors and issuers to make informed decisions and facilitate compliance for regulated entities.

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Expertise

The MSRB is governed by a board of market experts and supported by a team of professional staff.

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Report a Complaint

Learn how to report a municipal market complaint.

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Electronic Municipal Market Access

The MSRB’s free EMMA website serves as the official
source for municipal securities data and documents.

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