11 U.S.C. § 744

Notwithstanding section 365(d)(1) of this title, the trustee shall assume or reject, under section 365 of this title, any executory contract of the debtor for the purchase or sale of a security in the ordinary course of the debtor’s business, within a reasonable time after the date of the order for relief, but not to exceed 30 days. If the trustee does not assume such a contract within such time, such contract is rejected.