C1
Field 23E must be present either in sequence A or in each occurrence of sequence B but not in both (Error code(s): D78).
C2
When present in sequence A, fields 71F and 77A must, independently of each other, not be present in any occurrence of sequence B. Conversely, when not present in sequence A, fields 71F and 77A are, independently of each other, optional in any occurrence of sequence B (Error code(s): D83).
C3
The MT 416 is a 'single currency' message. This means that the currency code in all amount fields, ie, field 71F in sequence A and fields 32a and 71F in sequence B) must be the same for all occurrences of these fields in the message (Error code(s): C02).