Vocabulary fail for the delegates.
By definition if it is heir-less there is no one with a rightful claim to it.
"restitution"
Function:
noun
Etymology:
Middle English restitucioun, from Anglo-French, from Latin restitution-, restitutio, from restituere to restore, from re- + statuere to set up — more at statute
Date:
14th century
1: an act of restoring or a condition of being restored: as a:
a restoration of something to its rightful owner b: a making good of or giving an equivalent for some injury
2:
a legal action serving to cause restoration of a previous state
http://www.merriam-webster.com/dictionary/restitution