BE REFERRING TO THIS?
https://media.defense.gov/2023/Jul/31/2003271432/-1/-1/0/DOD-LAW-OF-WAR-MANUAL-JUNE-2015-UPDATED-JULY%202023.PDF
page 810
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 to the Occupying Power.