Specifies the volume and file structure of compact read-only optical disks (CD-ROM) for the information interchange between information processing systems. Defines:
- the attributes of the volume and the descriptors recorded on it,
- the relationship among volumes of a volume set, the placement of files,
- the attributes of the files,
- recorded structures intended for input or output data streams of an application program when required to be organized as sets of records,
- three nested levels of medium interchange,
- two nested levels of implementation,
- requirements for the processes provided within information processing systems.