handover

from WordNet (r) 3.0 (2006)

handover
    n 1: act of relinquishing property or authority etc; "the
         handover of occupied territory"

from The Collaborative International Dictionary of English v.0.48

handover \handover\ n.
   The act of relinquishing property or authority etc. to
   another; as, the handover of occupied territory to the
   original posssessors; the handover of power from the military
   back to the civilian authorities.
   [WordNet 1.5]