Sandia National Laboratories requires that freight charges be accompanied by the freight carrier invoice. Tax was charged. Sandia National Laboratories is generally a tax-exempt entity. Travel expenses over the federal per diem rates have been charged. Quantity shipped and billed is greater than on the purchase order.
Hourly rate listed is higher than that on the purchase order.
If your invoice is either rejected or reduced, you will receive a letter notifying you of the reason for rejection or reduction.