This part of ISO 21549 is applicable to situations in which administrative data are recorded on or transported by patient healthcards compliant with the physical dimensions of ID-1 cards defined by ISO/IEC 7810.This part of ISO 21549 specifies the basic structure of the data contained within the data object administrative data, but does not specify or mandate particular data sets for storage on devices.The detailed functions and mechanisms of the following services are not within the scope of this part of ISO 21549, although its structures can accommodate suitable data objects elsewhere specified:. the encoding of free text data;. security functions and rel