Definitions for "Underpayment"
a payment smaller than needed or expected
the act of paying less than required
This is where monthly mortgage payments are less than the amount originally specified to pay off a mortgage by the end of its term. Some mortgages, particulary flexible mortgages, allow for a specified level of underpayment but this tends to be balanced out with overpayments at other times in the life of the mortgage
Keywords:  errors, definition, benefit, refer, see
Refer to UP for definition. See: Benefit Errors
Keywords:  owed, paid, amount, person
an amount that is owed to a person and that has not yet been paid