17 CFR 190.13: Prohibition on avoidance of transfers.

The following transfers are approved and may not be avoided under sections 544, 546, 547, 548, 549, or 724(a) of the Bankruptcy Code:

(a) Pre-relief transfers. Any transfer of open commodity contracts and the property margining or securing such contracts made to another clearing organization that was approved by the Commission, either before or after such transfer, and was made prior to entry of the order for relief; and

(b) Post-relief transfers. Any transfers of open commodity contracts and the property margining or securing such contracts made to another clearing organization on or before the seventh calendar day after the entry of the order for relief, that was made with the approval of the Commission, either before or after such transfer.