ISO 7811-4 PDF

ANSI/ISO/IEC Identification Cards – Recording Technique – Part 4: Location of Read-Only Magnetic Tracks – Tracks 1 and 2. ISO/IEC Identification cards — Recording technique is a set of nine ( to ) standards describing the recording technique on identification cards. Find the most up-to-date version of ANSI/ISO /4 at Engineering

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Track 1 and 2 of the Driver’s License Magnetic Stripe format conform to the original formatting standards used by the Banking and Credit Card industry.

Tracks 1 and 3 read alphanumeric data is bpi, while track 2 reads numeric data only at 75 bpi.

Full copies of these standards can be pruchased from www. The data is read least significant bit first. Low density data is still recorded on track 2 for compatibility with older-technology readers and provide redundancy when reading with newer-technology readers.

Information Content including control characters. The information below is abstracted from these standards.

ISO/IEC 7811-4:1995

Physical Plastic Card 2. Magnetic Strip Encoding Standards. ISO Specification – No longer in use. Below will be found a brief synopsis of some Magnetic Strip Encoding Standards. While ido information contained on each track may be only slightly different, the field order, field lengths, and method of field separation and termination differs significantly. This table is only an overview of what data fields are contained on the three tracks of a magnetically coded driver’s license.


In order to encode the additional alpha-numeric information required on the Driver’s License, the specification was revised to permit alpha-numeric information to be encoded on track 3. Account Number Expiration Isi.

Standards Council of Canada

Account Number Name Expiration Date. Site Search Upcoming Events. Note also the redundancy:. In the early years of Magnetic Stripe technology, data was recorded at lower density to increase read-reliability.

Call Abacus 21 for further details.

ISO | Standards Council of Canada – Conseil canadien des normes

Readers with both track 1 and 2 are recommended for acquiring Credit Card data since redundancy permits the authorization process to compare account information on both tracks and also fallback to the lower density track data if the reader is unable to decode track 1 due to damaged track data on the card. As a general rule, data on Magnetic Cards conforms to the encoding format for financial transaction cards ISO Physical Dimensions of Cards: Lower-density data recorded on track 2 contains only the account number and expiration date.


Note from the table below that Magnetic Stripe Readers used for acquiring Credit Card data need only to read tracks 7811–4 or 2 from the card. Recording Density bits per inch.

Other custom utilizations are also possible and appropriate. Character Configuration including parity bit.

Track 1 contains the customer’s name in addition to the account number and expiration date recorded at higher density.

ISO defines the physical characteristics of the card. Track 3, originally an alternate numeric-only track, is no longer used in the Banking and Credit Card format.