If an election is made under subsection (a), and a deficiency attributable to the recovery of a foreign expropriation loss has been assessed, the deficiency shall be prorated to such installments. The part of the deficiency so prorated to any installment the date for payment of which has not arrived shall be collected at the same time as, and as part of, such installment. The part of the deficiency so prorated to any installment the date for payment of which has arrived shall be paid upon notice and demand from the Secretary. This subsection shall not apply if the deficiency is due to negligence, to intentional disregard of rules and regulations, or to fraud with intent to evade tax.