On-us field, Amount field, Auxiliary on-us field – MagTek Excella STX99875342 User Manual
Page 44
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Excella STX Installation and Operation
36
2-On-Us Field
The On-Us field is variable, up to 19 characters (including symbols). Valid characters are digits,
spaces, dashes, and On-Us symbols. The On-Us field contains the account number and may also
contain a serial number (Check number) and/or a transaction code. Note that an On-Us symbol
must always appear to the right of the account number.
3-Amount Field
The Amount field is a 10-digit field bracketed by Amount symbols. The field is always zero-
filled to the left.
4-Auxiliary On-Us Field
The Auxiliary On-Us field is variable, 4-10 digits, bracketed by two On-Us symbols. This field
is not present on personal checks. On business checks, this field contains the check serial
number.
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