Priced or unpriced contracts, purchase orders, or BPAs using the fast payment procedure shall include the following:
Consignee's Notification to Purchasing Activity of Nonreceipt, Damage, or Nonconformance
The consignee shall notify the purchasing office promptly after the specified date of delivery of supplies not received, damaged in transit, or not conforming to specifications of the purchase order. Unless extenuating circumstances exist, the notification should be made not later than 60 days after the specified date of delivery.
48 C.F.R. §13.403