For the purposes of Rule 5.6.3, a security or futures contract is deemed to be carried in a customer's account (other than a margin financing account) carried on the books of the General Clearing Member on the contract date specified in the contract note in respect of the transaction in that security or futures contract or on the exercise date specified in the exercise notice in respect of an option in that security which has been exercised.

Amended on 1 July 20081 July 2008, 23 January 200923 January 2009 and 1 July 20161 July 2016.