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Expanded Compact
Number Name Status Rule Category Regulated Entity
Rule G-17 Conduct of Municipal Securities and Municipal Advisory Activities
Fair Practice Dealers, Municipal Advisors, Bank Dealers, Municipal Fund Securities
Rule G-27 Supervision
Regulated Entity Administration Dealers, Bank Dealers, Municipal Fund Securities
Rule G-33 Calculations Uniform Practice Dealers, Bank Dealers
Rule G-17
Last Updated: 11/06/2019
Conduct of Municipal Securities and Municipal Advisory Activities

Rule Summary: Requires dealers and municipal advisors to deal fairly with all persons and not to engage in any deceptive, dishonest or unfair practice.

Rule for:

Dealers, Municipal Advisors, Bank Dealers, Municipal Fund Securities

Status:
Request for Comment (12/11/2024)
Concept Release: MSRB Requests Comment on Potential Modernization of Municipal Fund Securities Disclosure Obligations
View Notice
Guidance (03/03/2025)
Time of Trade Disclosures in Inter-Dealer Transactions
View Guidance
Rule G-27
Last Updated: 07/01/2024
Supervision

Rule Summary: Outlines requirements for a dealer’s supervision of personnel engaged in activities involving municipal securities activities.

Rule for:

Dealers, Bank Dealers, Municipal Fund Securities

Status:
Request for Comment (01/14/2026)
Request for Comment on MSRB Rule G-27 on Dealer Supervision
View Notice
Rule G-33
Last Updated: 03/08/2016
Calculations

Rule Summary: Prescribes standard formulas for the computation of accrued interest, dollar price and yield; sets standards for accuracy; and establishes day-counting methods.

Rule for:

Dealers, Bank Dealers

Status:
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