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Rules with Recent

Expanded Compact
Number Name Status Rule Category Regulated Entity
Rule G-18 Best Execution Fair Practice Dealers, Bank Dealers
Rule A-13 Underwriting and Transaction Assessments for Brokers, Dealers and Municipal Securities Dealers
Dealers, Bank Dealers, Municipal Fund Securities
Rule G-18
Last Updated: 09/17/2015
Best Execution

Rule Summary: Requires dealers to use reasonable diligence to ascertain the best market for the subject security and buy or sell in that market so that the resultant price to the customer is as favorable as possible under prevailing market conditions.

Rule for:

Dealers, Bank Dealers

Status:
Rule A-13
Last Updated: 01/01/2026
Underwriting and Transaction Assessments for Brokers, Dealers and Municipal Securities Dealers
Rule for:

Dealers, Bank Dealers, Municipal Fund Securities

Status:
SEC Filing (09/30/2025)
Proposed Rule Change to Amend MSRB Rules A-11 and A-13 Pursuant to a Multi-Year Rate Card and to Make Related Technical Amendments
View SEC Filing
Notice (12/22/2025)
SEC Approves Amendments to MSRB Rules A-11 and A-13 Establishing New Multi-Year Rate Card Fees for Dealers and Municipal Advisors
View Notice
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