An SEC rule that governs how broker-dealers must treat securities they hold in safekeeping. For example, the rule forbids them from using securities from one customer's account for another customer.
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An SEC rule that regulates the safekeeping of a customer's securities by the broker-dealer.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.