They are not required to make payments to the Commonwealth. They may attend most functions and organs of the Commonwealth, but are not invited to attend Commonwealth Heads of Government Meetings. They are, although limited in these respects, still considered members of the Commonwealth.
The status was created especially for Nauru, which had an exceptionally small population and area. Nauru was followed by fellow Pacificsovereign stateTuvalu, and then the larger Saint Vincent and the Grenadines and Maldives. These progressively gained full membership, leaving none from September 2000. However, Nauru fell behind on its subscription payments, and reverted to a special member in July 2005. Nauru has been a full member again since June 2011.