Standard
Track updates
AS ISO 8583:2025
[Current]AS ISO 8583:2025 identically adopts ISO 8583:2023, which specifies a common interface by which financial-transaction-card-originated messages can be interchanged between acquirers and card issuers
Published: 23/05/2025
Pages: 18
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Message structure
4.1 Message components
4.1.1 Sequence
4.1.2 Message type
4.1.2.1 General
4.1.2.2 Version number
4.1.2.3 Message type identifier
4.2 Message repeats
4.3 Message bitmaps
4.4 Data element types
4.4.1 General
4.4.2 Primitive data elements
4.4.3 Constructed data element
4.4.4 Composite data elements
4.4.4.1 Structure
4.4.4.2 Dataset identifiers
4.4.4.2.1 General
4.4.4.2.2 Dataset identifiers 01-70 (TLV format)
4.4.4.2.3 Dataset identifiers 71-FE (bitmap format)
4.4.4.2.4 Dataset identifier FF
4.4.4.3 Dataset length
4.4.4.4 Dataset bitmaps (DBMs)
4.4.4.5 Sub-elements
5 Data elements
5.1 General
5.2 General requirements for data elements
5.2.1 Variable length data elements
5.2.2 Binary data
5.2.2.1 Binary data elements
5.2.2.2 Variable length attributes and binary data elements
5.2.3 Expression of amounts
5.2.4 Conversion rates
5.2.5 Identification of institutions and routing
5.2.5.1 General
5.2.5.2 Acquirer to card issuer
5.2.5.3 Card issuer to acquirer
5.2.5.4 Transaction originator to transaction destination
5.2.6 Identification of account numbers
5.2.7 Tag length value (TLV) data
6 Messages and transactions
6.1 General
6.2 Message protocol
6.3 Message errors
6.4 Transaction relationships
7 Maintenance
7.1 General
7.2 Allocation of institution identification codes
Annex A
A.1 Interoperability
A.2 Maintenance of this document
A.2.1 General
A.2.2 Assignment of institution identifier codes
A.2.3 Maintenance procedures for messages, data elements and code values
A.3 Corrections
A.3.1 Version number
A.3.2 Tag length value (TLV) data
A.3.3 Numeric data with preceding sign
A.3.4 Mandatory and conditional data elements
A.4 Deprecated elements
Bibliography
Cited references in this standard
[Current]
Identification cards - Identification of issuers - Part 1: Numbering system
[Current]
Identification cards - Integrated circuit cards - Part 6: Interindustry data elements for interchange
Content history
[Current]
[Superseded]
[Superseded]
[Superseded]
[Superseded]