One and only one DICOM File-set shall be stored on each side of a single piece of media.
A DICOM File-set is defined to be completely contained within one UDF or ISO 9660 File-set.
Only a single UDF or ISO 9660 File-set shall be present in the UDF Volume.
Each side of the media will comprise a single self-contained UDF or ISO 9660 Volume. That is the UDF or ISO 9660 Volume Set shall not consist of more than one UDF or ISO 9660 Volume.
Only a single UDF or ISO 9660 Partition shall be present on each side the media.
Note: Other partitions containing other file systems, possibly sharing the same data, may be present, such as an ISO-9660 bridge disk, a Mac HFS or Unix UFS hybrid disk, etc.