This International Standard defines the characteristics for identification cards as defined in Clause 4 of
this part of ISO/IEC 7811, and the use of such cards for international interchange.
This part of ISO/IEC 7811 specifies requirements for a 51,7 kA/m (650 Oe) magnetic stripe (including
any protective overlay) on an identification card. The encoding technique and coded character sets are
not defined, however, the specifications of ISO/IEC 7811-2 may be used. It takes into consideration both
human and machine aspects and states minimum requirements.
Coercivity influences many of the quantities specified in this part of ISO/IEC 7811. It has a nominal
value of 51,7 kA/m (650 Oe), but is not itself specified. Exposure of the card to a magnetic field is likely
to destroy the recorded data.
This International Standard provides criteria to which cards are to perform. No consideration is given
within this International Standard to the amount of use, if any, experienced by the card prior to test.
Failure to conform to specified criteria is negotiated between the involved parties.
ISO/IEC 10373-2 specifies the test procedures used to check cards against the parameters specified in
this part of ISO/IEC 7811.
Numeric values in the SI and/or Imperial measurement system in this part of ISO/IEC 7811 may have
been rounded off and therefore are consistent with, but not exactly equal to, each other. Either system
may be used, but the two are not to be intermixed or reconverted. The original design was made using
the Imperial measurement system.