Microsoft announce that they are introducing on-premises use rights for CRM Online. Users with a CRM Online Professional or Enterprise USL will have Professional CAL rights, CRM Online Basic USLs will have Basic CAL rights, and CRM Online Essential will have Essential CAL rights – as you’d expect really!
See the announcement here: http://bit.ly/1tBAzzL and check out page 35 of the October 2014 PUR.