Board Thread:Lore Discussion/@comment-5983727-20130112120518/@comment-4057437-20130121061305

67.213.59.162 wrote: The Ring of Hircine gives the wearer the power to transform into a werewolf once a day, provided the wearer is already a werewolf. Also, the quest that the ring is given to youis also an opportunity to become a werewolf. So, i guess it can go either way. The quest is: "Ill Met By Moonlight".

No, any werewolf can transform once a day. The Ring of Hircine allows two transformations a day, once the quest has been completed.