The Clearing House shall have the sole discretion to disallow the registration or substitution, as the case may be, of:
a. a Non-Relevant Market Transaction, other than a closing-out contract after it has given notice to withdraw the clearing of any class of Eligible Non-Relevant Market Contract which the transaction falls under.
b. [deleted]
Added on 27 March 200627 March 2006 and amended on 3 November 20103 November 2010, 8 November 20128 November 2012, 19 September 201619 September 2016 and 17 July 201917 July 2019.