MSRB rule amendments to MSRB Rule G-15 and MSRB Rule G-30, which will require broker-dealers and municipal dealers to disclose the markup or markdown on retail customer confirmations for specified principal transactions, will become effective on May 14, 2018. The MSRB solicited comments on a draft of the amendments on September 24, 2015. The SEC approved the amendments on November 17, 2016.

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