ISO/IEC 10373-9:2011 defines test methods for characteristics of identification cards according to the definition given in ISO/IEC 7810. It is specific to optical memory cards that use the holographic recording method technology. Each test method is cross-referenced to one or more base standards, i.e. ISO/IEC 7810 or one or more of the supplementary International Standards that define the information storage technologies employed in identification card applications.