This subchapter terminates 90 days after the date on which a notification is made under section
55316
(f) of this title, except for shipments of agricultural commodities and their products subject to contracts made before the end of that 90-day period, unless within that 90-day period the Secretary of Transportation proclaims that funds are available to finance increased freight charges resulting from the requirements of sections
55314
(a) and
55316
(a) and (b) of this title. On the termination of this subchapter under this section—