Each member or its agent that is a participant in a registered clearing agency, for purposes of clearing over-the-counter securities transactions, shall use the facilities of a registered clearing agency for the clearance of eligible transactions between members in corporate debt securities. Pursuant to the Rule 9600 Series, the Association may exempt any transaction or class of transactions in corporate debt securities from the provision of this Rule as may be necessary to accommodate special circumstances related to the clearance of such transactions or class of transactions.