C1
At least one of the fields 31E, 32B, 33B, 34B, 39A, 39B, 39C, 72 or 77A must be present (Error code(s): C15).
C2
If either field 32B or 33B is present, then field 34B must also be present (Error code(s): C12).
C3
If field 34B is present, either field 32B or 33B must also be present (Error code(s): C12).
C4
Either field 39A or 39B, but not both, may be present (Error code(s): D05).
C5
The currency code in the amount fields 32B, 33B and 34B must be the same (Error code(s): C02).