Any shipment that is either formal or informal is subject to the Merchandise Processing Fee. Formal entries are for shipments that have a commercial valued at $2,000 or more with a few exceptions valued at $250.00. The MPF for merchandise that is formally entered or released is subject to an ad valorem fee of .21 percent. This is based upon the value of the merchandise that is being imported, excluding the duty, freight and insurance. The MPF shall not exceed $485 and should not be less than $25. The MPF for Informal shipments ranges from $2.00 to $9.00 per shipment.