DOD Law of War Manual
11.3 END OF OCCUPATION AND DURATION OF GC OBLIGATIONS
11.4 LEGAL POSITION OF THE OCCUPYING POWER
Military occupation of enemy territory involves a complicated, trilateral set of legal relations between the Occupying Power, the temporarily ousted sovereign authority, and the inhabitants of occupied territory. (92) The fact of occupation gives the Occupying Power the right to govern enemy territory temporarily, but does not transfer sovereignty over occupied territory