ISO/IEC DIS 7812-1(EN) Identification cards — Identification of issuers — Part 1: Numbering system
ISO/IEC 7812-1 was created by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 17, Cards and personal identification.
ISO/IEC DIS 7812-1 is the fifth edition, it cancels and replaces the fourth edition (ISO/IEC 7812-1:2015), which has been technically revised.
ISO/IEC DIS 7812-1 specifies a numbering system for the identification of the card issuers, the format of the issuer identification number (IIN) and the primary account number (PAN).
ISO/IEC DIS 7812-1 is one of a series of International Standards specifying a numbering system for the identification of card issuers operating within an interchange environment, the format of the issuer identification number and the primary account number. Card issuers not operating in an international interchange environment are encouraged to contact their sponsoring authorities for a number assigned by that national standards body, or the Registration authority (RA) if no Sponsoring Authority (SA) exists. Use of a national IIN will avoid conflicts if the cards are used in an international interchange environment.
Terms and definitions:
Institution (or its agent) which acquires from the card acceptor the data relating to the transaction and initiates the data into an interchange system
Form factor (physical or virtual) provided by a card issuer
Note 1 to entry: ISO/IEC DIS 7812-1, this definition is not limited to ISO/IEC 7810 ID-1 card. Some examples of other card types include but are not limited to virtual, thin flexible, single-use, integrated-circuit or mobile devices.
Party accepting the card for the purpose of presenting transaction data to an acquirer or intermediary facilitating the transaction flow
Customer associated with the primary account number
Institution (or its agent) that issues the card to the cardholder
Note 1 to entry: For institutions in the financial services industry and regulatory community, a legal entity as defined in ISO 17442, or its agent, that issues the card to the cardholder
Individual account identification
Number assigned by the card issuer for the purpose of identifying an individual account
Exchange of transaction data between two or more participants
Issuer identification number
Number that identifies the card issuer and that forms the first part of the primary account number
Primary account number
Number consisting of a maximum of 19 digits that identifies the card issuer and the cardholder
Organization appointed by the ISO Council, responsible for assigning IINs and maintaining the ISO Register of Card Issuer Identification Numbers
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