I have no idea what the situation is. Tried to add them to my orders a couple of times but they were unable to supply them at the time. This year I read on their website and catalog that the breed was ubavailable for 2012. That is as much as I know.
If you check with the American Livestock Breeds Conservancy you can check on the status of most breeds of livestock in the U.S.
I do not believe that there is a conflict with BYC rules, as they are not a forum but an association geared to preserve the old heritage type domestic livestock.
Drove past two UPS trucks in the past few weeks that were delivering in shopping centers. The back doors were open and the boxes inside were in a jumbled heap . Does not seem to be too safe for eggs. Bill