FGS Form Group
To provide information for a section or data group in a form or schedule
Alphanumeric characters assigned for differentiation within a transaction set
FGS01 defines the type of section or data group.
Reference Identification Qualifier
Code identifying the Reference Identification
P0203: If either FGS-02 or FGS-03 is present, then the other is required
FGS02 and FGS03 uniquely identify the section or data group.
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier