1. Messaging System User Guide
  2. Processing SWIFT Messages
  3. Guarantees and Standby Letter of Credit
  4. SWIFT 2023 Changes
  5. MT (764/767/775) - Notification of LC Amendment Guarantee/ Standby LC Index

12.4.2.17 MT (764/767/775) - Notification of LC Amendment Guarantee/ Standby LC Index

The Notification of the Issue of or the Request for a third bank amendment, a previously issued Guarantee / Standby LC sent to the corporate by the bank and comprised of two MT 798 messages.

The system generates three records at the outgoing browser:
  1. Index Message 764
  2. Message Type 767 and
  3. Extension message 775
Tag details are retrieved from the contract screen or from the index table which stores the values from MT798 incoming messages.

MT 798<764> - Notification of Amendment of Guarantee / Standby LC Index

Format Specifications for Index Message (MT 764)
Field Tag Field Name Format Mandatory /Optional
Section 1 - MT 798 Structure
20 Transaction Reference Number 16x M
12 Sub-Message Type 3!n M
77E Proprietary Message 73z (Text) [n*78z] (Text) M
Section 2 - Field 77E Structure
27A Message Index/ Total 1!n/1!n (Message Index)/(Total) M
21A Customer Reference Number 16x M
21T Customer Business Reference 16x M
21P Bank Reference Number 16x M
21S Bank Business Reference 16x M
20 Undertaking Number 16x M
13E Message Creation Date Time 8!n4!n (Date)(Time) M
49Z Special agreements 50*65x (Narrative) O
29B Bank Contact 4*35x (Narrative) O
72Z Bank to Corporate Information 6*35z (Narrative) O
23X File Identification /4!c/65x (Code)(File Name or Reference) O
26E Number of Amendment 3n (Number) M
29S Customer Identifier 4!c/35x (Code)(Party Identifier) O
29P Processing Bank Identifier

4!a2!a2!c[3!c]
(Identifier Code)

O
29U Lead Bank Identifier

4!a2!a2!c[3!c]
(Identifier Code)

O
MT 798<767> - Notification of Amendment of Guarantee / Standby LC Details
Field Tag Field Name Format Optional/Mandatory
Section 1 - MT 798 Structure
20 Transaction Reference Number 16x M
12 Sub-Message Type 3!n M
77E Proprietary Message

73z (Text)

[n*78z] (Text)

 M
Section 2 – Field 77E Structure [MT 767]
27A Message Index/Total

1!n/1!n

(Message

Index)/(Total)

 M
21P Bank Reference Number 16x M
MT 767 Message M
MT 798<775> - Notification of Amendment of Guarantee / Standby LC Extension
Field Tag Field Name Format Optional/Mandatory
Section 1 - MT 798 Structure
20

Transaction Reference

Number

 16x M
12 Sub-Message Type 3!n M
77E Proprietary Message

73z (Text)

[n*78z] (Text)

 M
Section 2 – Field 77E Structure [MT 767]
27A Message Index/Total

1!n/1!n

(Message

Index)/(Total)

 M
21P Bank Reference Number 16x M
MT 775 Message M

Parent topic: SWIFT 2023 Changes