MT537 Network Validated Rules

• C1 In sequence A General Information, if the Activity Flag (field :17B::ACTI) indicates no information to be reported, that is, N, then sequence B Status and sequence C Transactions and sequence D Penalties must not be present.

  If the Activity Flag (field :17B::ACTI) indicates that there is information to be reported, that is, Y and Statement Structure Type Indicator is per statuses (field :22H::STST//STAT), then sequence B Status is mandatory and sequence C Transactions is not allowed and sequence D Penalties is not allowed.

  If the Activity Flag (field :17B::ACTI) in sequence A General Information indicates that there is information to be reported, that is, Y and Statement Structure Type Indicator is per transactions (field :22H::STST//TRAN), then sequence B Status is not allowed and sequence C Transactions is mandatory and sequence D Penalties is not allowed.

  If the Activity Flag (field :17B::ACTI) in sequence A General Information indicates that there is information to be reported, that is, Y and Statement Structure Type Indicator is penalties (field :22H::STST//PENA), then sequence B Status is not allowed and sequence C Transactions is not allowed and sequence D Penalties is mandatory.

  Sequence A if field :17B::ACTI is ...	And sequence A field :22H::STST is	Then sequence B is ...	And sequence C is ...	And sequence D is ...
  N	STAT	Not allowed	Not allowed	Not allowed
  N	TRAN	Not allowed	Not allowed	Not allowed
  N	PENA	Not allowed	Not allowed	Not allowed
  Y	STAT	Mandatory	Not allowed	Not allowed
  Y	TRAN	Not allowed	Mandatory	Not allowed
  Y	PENA	Not allowed	Not allowed	Mandatory

• C2 If the instruction is against payment (:22H::PAYM//APMT) then it is mandatory to specify a posting amount (field :19A::PSTA). This rule applies to subsequence B2b and C2.

  Subsequence B2b if field :22H::PAYM is ...	Subsequence B2b then field :19A::PSTA is ...
  APMT	Mandatory
  Not equal to APMT	Optional

  Subsequence C2 if field :22H::PAYM is ...	Subsequence C2 then field :19A::PSTA is ...
  APMT	Mandatory
  Not equal to APMT	Optional

• C3 The following party fields cannot appear more than once in the same occurrence of subsequence B2b:

  Subsequence B2b1

  :95a::BUYR

  :95a::DEAG

  :95a::DECU

  :95a::DEI1

  :95a::DEI2

  :95a::PSET

  :95a::REAG

  :95a::RECU

  :95a::REI1

  :95a::REI2

  :95a::SELL

  The following party fields cannot appear more than once in the same occurrence of subsequence C2:

  Subsequence C2a

  :95a::BUYR

  :95a::DEAG

  :95a::DECU

  :95a::DEI1

  :95a::DEI2

  :95a::PSET

  :95a::REAG

  :95a::RECU

  :95a::REI1

  :95a::REI2

  :95a::SELL

• C4 If the instruction is a delivery (:22H::REDE//DELI in subsequence B2b) and the Settlement Parties subsequence B2b1 is used, then it is mandatory to specify a receiving agent: one occurrence of Settlement Parties subsequence B2b1 must contain party field :95a::REAG.

  If the instruction is a receipt (:22H::REDE//RECE in subsequence B2b) and the Settlement Parties subsequence B2b1 is used, then it is mandatory to specify a delivering agent: one occurrence of Settlement Parties subsequence B2b1 must contain party field :95a::DEAG.

  Subsequence B2b if field :22H::REDE is ...	And if subsequence B2b1 is ...	Then in one occurrence of subsequence B2b1 field :95a::REAG is ...
  DELI	Present	Mandatory

  Subsequence B2b if field :22H::REDE is ...	And if subsequence B2b1 is ...	Then in one occurrence of subsequence B2b1 field :95a::DEAG is ...
  RECE	Present	Mandatory

  If the instruction is a delivery (:22H::REDE//DELI in subsequence C2) and the Settlement Parties subsequence C2a is used, then it is mandatory to specify a receiving agent: one occurrence of Settlement Parties subsequence C2a must contain party field :95a::REAG.

  If the instruction is a receipt (:22H::REDE//RECE in subsequence C2) and the Settlement Parties subsequence C2a is used, then it is mandatory to specify a delivering agent: one occurrence of Settlement Parties subsequence C2a must contain party field :95a::DEAG.

  Subsequence C2 if field :22H::REDE is ...	And if subsequence C2a is ...	Then in one occurrence of subsequence C2a field :95a::REAG is ...
  DELI	Present	Mandatory

  Subsequence C2 if field :22H::REDE is ...	And if subsequence C2a is ...	Then in one occurrence of subsequence C2a field :95a::DEAG is ...
  RECE	Present	Mandatory

• C5 If subsequence B2b is present: if a qualifier from the list Deliverers is present in a subsequence B2b1, in a field :95a::4!c, then all the remaining qualifiers following this qualifier in the list Deliverers (see below) must be present.

  In other words, in subsequence B2b1, the following scenarios must be validated:

  • If :95a::DEI2 is present in subsequence B2b1, then :95a::DEI1 must be present in another subsequence B2b1.

  • If :95a::DEI1 is present in subsequence B2b1, then :95a::DECU must be present in another subsequence B2b1.

  • If :95a::DECU is present in subsequence B2b1, then :95a::SELL must be present in another subsequence B2b1.

  If a qualifier from the list Receivers is present in a subsequence B2b1, in a field :95a::4!c, then all the remaining qualifiers following this qualifier in the list Receivers (see below) must be present.

  In other words, in subsequence B2b1, the following scenarios must be validated:

  • If :95a::REI2 is present in subsequence B2b1, then :95a::REI1 must be present in another subsequence B2b1.

  • If :95a::REI1 is present in subsequence B2b1, then :95a::RECU must be present in another subsequence B2b1.

  • If :95a::RECU is present in subsequence B2b1, then :95a::BUYR must be present in another subsequence B2b1.

  If subsequence C2 is present: if a qualifier from the list Deliverers is present in a subsequence C2a, in a field :95a::4!c, then all the remaining qualifiers following this qualifier in the list Deliverers (see below) must be present.

  In other words, in subsequence C2, the following scenarios must be validated:

  • If :95a::DEI2 is present in subsequence C2a, then :95a::DEI1 must be present in another subsequence C2a.

  • If :95a::DEI1 is present in subsequence C2a, then :95a::DECU must be present in another subsequence C2a.

  • If :95a::DECU is present in subsequence C2a, then :95a::SELL must be present in another subsequence C2a.

  If a qualifier from the list Receivers is present in a subsequence C2a, in a field :95a::4!c, then all the remaining qualifiers following this qualifier in the list Receivers (see below) must be present.

  In other words, in subsequence C2, the following scenarios must be validated:

  • If :95a::REI2 is present in subsequence C2a, then :95a::REI1 must be present in another subsequence C2a.

  • If :95a::REI1 is present in subsequence C2a, then :95a::RECU must be present in another subsequence C2a.

  • If :95a::RECU is present in subsequence C2a, then :95a::BUYR must be present in another subsequence C2a.

  Deliverers		Receivers
  DEI2	Deliverer's Intermediary 2	REI2	Receiver's Intermediary 2
  DEI1	Deliverer's Intermediary 1	REI1	Receiver's Intermediary 1
  DECU	Deliverer's Custodian	RECU	Receiver's Custodian
  SELL	Seller (Deliverer)	BUYR	Buyer (Receiver)

• C6 If the message is a cancellation, that is, Function of the Message (field 23G) is CANC, then subsequence A1 (Linkages) must be present at least once in the message, and in one and only one occurrence of A1, field :20C::PREV must be present; consequently, in all other occurrences of A1, field :20C::PREV is not allowed.

  Sequence A if field :23G: is ...	Then subsequence A1 is ...	And field :20C::PREV is ...
  CANC	Mandatory (minimum one occurrence of A1 must be present)	Mandatory in one occurrence of subsequence A1, and not allowed in all other occurrences of subsequence A1
  NEWM	Optional	Not applicable
  PENA	Optional	Optional

• C7 In subsequence B2b1, if field :95a::PSET is present, then field :97a:: is not allowed in the same sequence..

  Subsequence B2b1 if field :95a::PSET is ...	Subsequence B2b1 then field :97a:: is ...
  Present	Not allowed within the same occurrence
  Not present	Optional

  In subsequence C2a, if field :95a::PSET is present, then field :97a:: is not allowed in the same sequence..

  Subsequence C2a if field :95a::PSET is ...	Subsequence C2a then field :97a:: is ...
  Present	Not allowed within the same occurrence
  Not present	Optional

• C8 Within each occurrence of subsequence B1, the qualifier in field 24B must be the same as the code (Status Code) used with the appropriate qualifier in field 25D of its surrounding sequence B.

  In each occurrence of sequence B Status
  In each occurrence of subsequence B1 Reason (if present) if field :24B:: is ...	Then in sequence B Status field :25D:: must be ... (1)
  :24B::CAND	:25D::IPRC//CAND
  :24B::CANP	:25D::IPRC//CANP
  :24B::CGEN	:25D::IPRC//CGEN
  :24B::PACK	:25D::IPRC//PACK
  :24B::NMAT	:25D::MTCH//NMAT :25D::INMH//NMAT
  :24B::PEND	:25D::SETT//PEND
  :24B::PENF	:25D::SETT//PENF
  :24B::REPR	:25D::IPRC//REPR
  :24B::PPRC	:25D::IPRC//PPRC

  ⁽¹⁾ if the Data Source Scheme is present in field :25D:: then the conditional rule does not apply.

  Within each occurrence of subsequence C3a Reason, the qualifier in field 24B must be the same as the code (Status Code) used with the appropriate qualifier in field 25D of its surrounding subsequence C3 Status.

  In each occurrence of subsequence C3 Status
  In each occurrence of subsequence C3a Reason (if present) if field :24B:: is ...	Then in subsequence C3 Status field :25D:: must be ... (1)
  :24B::CAND	:25D::IPRC//CAND
  :24B::CANP	:25D::IPRC//CANP
  :24B::CGEN	:25D::IPRC//CGEN
  :24B::PACK	:25D::IPRC//PACK
  :24B::NMAT	:25D::MTCH//NMAT :25D::INMH//NMAT
  :24B::PEND	:25D::SETT//PEND
  :24B::PENF	:25D::SETT//PENF
  :24B::REPR	:25D::IPRC//REPR
  :24B::PPRC	:25D::IPRC//PPRC

  ⁽¹⁾ if the Data Source Scheme is present in field :25D:: then the conditional rule does not apply.

  Within each occurrence of subsequence D1a1B1a1 (Reason), the qualifier in field 24B must be the same as or linked to the code (Status Code) used with the appropriate qualifier in field 25D of its surrounding subsequence D1a1B1a (Status).

  In each occurrence of subsequence D1a1B1a Status
  In each occurrence of subsequence D1a1B1a1 Reason (if present) if field :24B:: is ...	Then in subsequence D1a1B1a Status field :25D:: must be ... (1)
  :24B::NMAT	:25D::MTCH//NMAT
  :24B::PENF	:25D::SETT//PEND :25D::SETT//PENF

  ⁽¹⁾ if the Data Source Scheme is present in field :25D:: then the conditional rule does not apply.

• C9 In each occurrence of subsequence B2b, field :36B::PSTA cannot appear more than twice (maximum two occurrences). When repeated, one occurrence must have Quantity Type Code FAMT and the other occurrence must have Quantity Type Code AMOR.

  Sequence B2b if field :36B::PSTA is ...	Then one occurrence of :36B::PSTA must be ...	And the other occurrence of :36B::PSTA must be ...
  Repeated	:36B::PSTA//FAMT	:36B::PSTA//AMOR
  Not repeated	Not applicable	Not applicable

  In each occurrence of subsequence C2, field :36B::PSTA cannot appear more than twice (maximum two occurrences). When repeated, one occurrence must have Quantity Type Code FAMT and the other occurrence must have Quantity Type Code AMOR.

  Sequence C2 if field :36B::PSTA is ...	Then one occurrence of :36B::PSTA must be ...	And the other occurrence of :36B::PSTA must be ...
  Repeated	:36B::PSTA//FAMT	:36B::PSTA//AMOR
  Not repeated	Not applicable	Not applicable

• C10 A reference to the previously received message must be specified for each transaction reported, that is in each occurrence of subsequence B2 Transaction, field :20C::RELA must be present in one and only one occurrence of subsequence B2a Linkages; field :20C::RELA is not allowed in all other occurrences of subsequence B2a.

  A reference to the previously received message must be specified for each transaction reported, that is in each occurrence of sequence C Transaction, field :20C::RELA must be present in one and only one occurrence of subsequence C1 Linkages; field :20C::RELA is not allowed in all other occurrences of subsequence C1.

• C11 In sequence A, if field :95L::ALTE is present, then field :95a::ACOW must be present.

  In each occurrence of sequence D, if field :95L::ALTE is present, then field :95P::ASDP must be present in the same occurrence of the sequence D.

  In each occurrence of subsequence D1a, if field :95L::ALTE is present, then field :95a::ASDP must be present in the same occurrence of the subsequence D1a.

  In each occurrence of subsequence D1a, if field :95L::ALRP is present, then field :95a::REPA must be present in the same occurrence of the subsequence D1a.

• C12 In subsequence B2b, field :94a::CLEA must not be present more than twice. When repeated, one and only one occurrence must be with format option L (:94L::CLEA).

  In subsequence B2b, field :94a::SAFE must not be present more than twice. When repeated, one and only one occurrence must be with format option L (:94L::SAFE).

  In subsequence B2b, field :94a::TRAD must not be present more than twice. When repeated, one and only one occurrence must be with format option L (:94L::TRAD).

  In subsequence C2, field :94a::CLEA must not be present more than twice. When repeated, one and only one occurrence must be with format option L (:94L::CLEA).

  In subsequence C2, field :94a::SAFE must not be present more than twice. When repeated, one and only one occurrence must be with format option L (:94L::SAFE).

  In subsequence C2, field :94a::TRAD must not be present more than twice. When repeated, one and only one occurrence must be with format option L (:94L::TRAD).

• C13 In subsequence D1a1B1 (Transaction Details), if field 95a is present, all qualifiers of field 95a are optional, but either ACOW or CACO (not both) must be present.

• C14 In subsequence D1a (Penalties per Counterparty) all qualifiers of field 95a are optional, but either ASDP or REPA must be present.

• C15 In subsequence D1a1 (Penalty Details), if field 24B is present, or field 70D, then field 25D must be present.