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ISO 8583
In ISO messaging standards, country codes sent in fields such as F43, F19, F20, and F21 must follow a specific standard. Below is the country code list and details used for ISO, including 2-character, 3-character, and numeric codes.
Payment Systems
ISO 3166 is a standard published by the International Organization for Standardization (ISO) for coding the names of countries, autonomous regions, provinces and states. It consists of three parts.
Payment Systems
TCR stands for Transaction Record Component, the packets that carry transaction information in a clearing system. Transaction types in a clearing file are distinguished by transaction code and usage code values, and this data is sent inside TCR packets.
Merchant & POS
AUC (Application Usage Control) specifies restrictions that limit an application by geography or by specific transaction types. It is a 2-byte data element in Tag 9F07. If present, the terminal performs checks such as whether the transaction is at an ATM.
Online & Authorization
In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.
ATM
ISO 4217, also known as the currency code standard, defines the three-letter abbreviations assigned to currencies. The ISO 4217 code list is used extensively in banking and business. In some countries, exchange offices rely on these codes alone.
ISO 8583
F61 - POINT OF SERVICE (POS) DATA: This field provides information about the specific status of the POS at the time of the transaction. Position Usage Attribute 1 POS Terminal Attendance Indicator 0 = Attended terminal (Valid for MasterCard debit card and Maestro transactions only).
ISO 8583
F19 — Acquiring Institution Country Code: the country to which the location of the acquiring bank's device (ATM, POS, etc.) belongs.
EMV
BIC stands for Bank Identifier Code. It is the universal bank identification code used for automated processing in banking and related financial environments, identifying banks as specified by the ISO 9362 standard.
Merchant & POS
In the world of payment systems, there are new developments every day in both accepting payments and payment methods. QR code payments will undoubtedly become more common in the coming days, and we will make payments with QR codes in many places.
ISO 8583
F43 - CARD ACCEPTOR NAME AND LOCATION: the field that holds the name and location of the merchant/ATM where a card transaction took place. It is 40 characters long and alphanumeric.
Merchant & POS
Contains the terminal-resident data objects (tags and lengths) that the ICC needs when processing the GET PROCESSING OPTIONS command. In short, it is the list of information the card requests from the terminal before starting the transaction.