View all text of Subjgrp 84 [§ 240.12f-1 - § 240.12f-6]
§ 240.12f-5 - Exchange rules for securities to which unlisted trading privileges are extended.
A national securities exchange shall not extend unlisted trading privileges to any security unless the national securities exchange has in effect a rule or rules providing for transactions in the class or type of security to which the exchange extends unlisted trading privileges.