the Secretary determines (i) that entering into one or more contracts under such subsection would achieve benefits comparable to the acquisition of an equivalent amount of petroleum product, or an equivalent volume of storage capacity, for the Reserve under part B, and (ii) that, because of budgetary constraints, the acquisition of an equivalent amount of petroleum product or volume of storage space for the Reserve cannot be accomplished under part B; and

the Secretary notifies each House of the Congress of the determination and identifies in the notification the location, type, and ownership of storage and related facilities proposed to be included, or the volume, type, and ownership of petroleum products proposed to be stored, in the Reserve, and an estimate of the proposed benefits.