Click to see Rules that have recent rulemaking activity or compliance resources:

Expanded Compact
Number Name Status Rule Category Regulated Entity
Rule G-14 Reports of Sales or Purchases
Market Transparency Dealers, Bank Dealers
Rule G-40 Advertising by Municipal Advisors Fair Practice Municipal Advisors, Municipal Fund Securities
Rule G-48 Transactions with Sophisticated Municipal Market Professionals Fair Practice Dealers, Bank Dealers
Rule G-14
Last Updated: 10/01/2025
Reports of Sales or Purchases

Rule Summary: Prohibits dealers from distributing or publishing reports of purchases or sales of municipal securities unless the report is made with knowledge or reason to believe that the transaction was effected, and without any reason to believe that the reported transaction is fictitious, or in furtherance of any fraudulent, deceptive or manipulative purpose, and establishes transaction reporting requirements and procedures.

Rule for:

Dealers, Bank Dealers

Status:
Guidance (09/05/2025)
Applicability of Trade Reporting for Certain Allocations to Customer Accounts By Dually-Registered Broker-Dealers/Investment Advisers
View Guidance
SEC Filing (06/10/2025)
Proposed Rule Change to Amend Rule G-14 RTRS Procedures under MSRB Rule G-14 Regarding the Timing of Reporting Transactions in Municipal Securities to the MSRB and to Make a Related Amendment to Rule G-12
View SEC Filing
Notice (09/17/2025)
SEC Approves Amendments to MSRB Rule G-14 on Reporting of Transaction Prices
View Notice
Rule G-40
Last Updated: 07/03/2023
Advertising by Municipal Advisors

Rule Summary: Prohibits municipal advisors from publishing false or misleading advertisements concerning the services of the municipal advisor or the engagement of a municipal advisory client or concerning the facilities, services or skills of any municipal advisor, establishes specific content standards for advertisements and requires a municipal advisor principal to approve, in writing, advertisement prior to first use.

Rule for:

Municipal Advisors, Municipal Fund Securities

Status:
Rule G-48
Last Updated: 10/05/2021
Transactions with Sophisticated Municipal Market Professionals

Rule Summary: Provides for modified dealer regulatory obligations under other MSRB rules when dealing with sophisticated municipal market professionals.

Rule for:

Dealers, Bank Dealers

Status:
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