C1
If the message is a cancellation, a replacement, an eligible balance notification, a withdrawal or a reminder, ie, Function of the Message (field 23G) is CANC, , REPL, REPE, WITH or RMDR, then subsequence A1 (Linkages) must be present at least once in the message, and in one and only in one occurrence of A1, field :20C::PREV must be present; consequently, in all other occurrences of A1, field :20C::PREV is not allowed (Error code(s): E08).
If the message is a cancellation ,ie, Function of the Message (field 23G) is CANC, then subsequence A1 Linkages must be present at least once, and a reference to the previous message must be specified in the Linkage section, ie, field :20C::PREV must be present minimum once in that message (Error code(s): E08).
| Sequence Aif field :23G: is... |
Then subsequence A1 is... |
and |
|---|---|---|
| CANC, REPL, REPE, WITH or RMDR
|
Mandatory (minimum one occurrence of A1 must be present)
|
Mandatory in one occurrence of subseq. A1, and not allowed in all other occurrences of subseq. A1
|
| NEWM
|
Optional
|
N.A.
|
| CANC |
Mandatory, ie minimum one occurrence of A1 |
Mandatory (note: it does not need to be present in all occurrences of A1) |
| Not CANC |
Optional |
Optional |
C2
In Sequence C Additional Information, all orders of field 70a are optional, but at least one (any one) must be present (Error code(s): D92).
