MT 576 Network Validated Rules

C1 

If the Activity Flag (field :17B::ACTI) in sequence A General Information indicates no pending transactions, ie, N, then sequence B Financial Instrument must not be present (Error code(s): E66).

Sequence A
If field :17B::ACTI is ...
Sequence B is...
N Not allowed
Y Mandatory

C2 

The Safekeeping Account (field :97a::SAFE) must be identified in sequence A General Information, or in all occurrences of subsequence B2c Trading Parties, but not in both (Error code(s): E67).

Sequence A if field
:97a::SAFE is...
then subsequence B2c is... and in all occurrences of subsequence B2c field :97a::SAFE is...
Present Optional Not allowed
Not present Mandatory (ie, minimum one occurrence of subsequence B2c) Mandatory in all occurrences of subsequence B2c

C3 

If the message is a cancellation, ie, Function of the Message (field 23G) is CANC, then subsequence A1 (Linkages) Linkages must be present at least once and a reference to the previous message must be specified in the message, and in one and only in one occurrence of A1, Linkage section, ie, field :20C::PREV must be present; consequently, minimum once in all other occurrences of A1, field :20C::PREV is not allowed that message (Error code(s): E08).

Sequence A
if field :23G: is...
then Then subsequence A1 is... and in minimum one occurrence of subsequence A1 field :20C::PREV is...
CANC 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

C4 

In each occurrence of subsequence B2, either an ordered quantity (field :36B::ORDR) or an ordered amount (field :19A::ORDR) must be present, but not both; in addition, if field 36B is present then field 19A must not be present, and vice versa if field 19A is present then field 36B must not be present (Error code(s): E58).

In each occurrence of subsequence B2
if field :36B:: is ...
In the same occurrence of Subsequence B2
then field :36B::ORDER is ...
In the same occurrence of Subsequence B2
and field :19A: is ...
Present Mandatory Not allowed
Not present N.A. :19A::ORDR is Mandatory