P.3.1.1 DVD Physical Format

The physical format of DVD media shall comply with one of the following applicable definitions:

P.3.1.1.1 DVD Sector Format

The sector format of DVD media shall comply with one of the following applicable definitions:

No restrictions are placed on the use of disc-at-once, track-at-once, multi-session or packet-written format if applicable to the physical media type, other than that any session should be finalized at the conclusion of writing the media in order to make it readable.