Back in May, the DVD Forum formed an ad hoc group and gave it the task of developing a region-coding scheme for the HD DVD format. While this new scheme won't be officially proposed until early 2007, the group unveiled their current plans at the DVD Forum Japan Conference 2006 in Tokyo, Japan. Here's part of AV Watch's report, translated from Japanese:
"AD-022" is a group that examines region (region) control in HD DVD. The region reproduction limitation etc. of classification by countries of HD DVD video disk on the market like DVD have not been installed now. However, the voice to request the region control comes out of the contents holder etc. , and it is said that the examination will be advanced aiming at the introduction.
The reproduction control not only is introduced into classification by countries as simply as past DVD but also an interactive function of HD DVD is used, and it is said, "The control of new as the region is controlled from the sale only for a certain period that is is examined". However, it has not become a conclusion at present.
The examination of the region control is advanced, and "WG-1" that examines a technological specification of HD DVD receives the activity etc. of TCG, and examines how to build it in. It is said the schedule to which the project book is updated in the first ten days, 2007.
The DVD Forum also announced that they would be finalizing the specifications for 12x DVD-R DL media and the three layer TWIN disc in late 2006 and early 2007 respectively. If you'd like to read more, the entire article can be found here.
