Positions 65-66 (Matching Fields)

This entry indicates whether the field is to be used as a match field.

Entry : Explanation

Blank : This field is not a match field.

M1-M9 : This field is a match field.

Null-capable and UCS-2 fields cannot be used as matching fields.

See Positions 65-66 (Matching Fields) for more information on match fields.