Stored in the Data base as a Numeric field with a length of nn (the numbers to the left of the decimal) plus x (the numbers to the right of the decimal)
        i.e. AMT12v6 is an 18 digit field with 6 decimals (123,456,789,012.654321) 
    Displayed to the user as a numeric field
    Valid Amount Domains are:
        AMT12V2
        AMT12V4
        AMT12V6
        AMT5V2
        AMT5V4