ISO/IEC 4909 is a 2006 international standard produced by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) for Identification cards — Financial transaction cards — Magnetic stripe data content for track 3. [1] It was reviewed in 2018. The original ISO 4909 standard appeared in 1987. [2] It is one of a number of international bank card standards. [3] The standard is used for credit cards. [4]
The standard has been adopted in many countries, including (for example) Denmark, [5] Germany, [2] India, [6] Netherlands, [7] New Zealand, [8] Norway, [9] United Kingdom, [8] etc.