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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
Notice (12/22/2025)