An Omnibus Account Holder shall at all times disclose to the Clearing Member carrying that account the gross long and short positions held by that Omnibus Account in each Commodity. Such Clearing Member shall immediately notify the Clearing House and shall promptly comply with all orders of the Clearing House if the Omnibus Account Holder fails to make such disclosure.
An Omnibus Account Holder shall, prior to the first delivery day in a Delivery Month or as otherwise required by the Clearing House, provide the Clearing Member carrying that account with a complete list of the purchase and sale dates of all open positions for that Delivery Month. Such list shall be kept up to date throughout the Delivery Month in order that the delivery procedure of the Clearing House not be impaired.
A Clearing Member that maintains an Omnibus Account shall ensure that its Omnibus Account Holders are aware of this Rule 2.19.