The 4GC talks about "forced" transfers of civilians when talking about transfers FROM the occupied territory. When it is TO the occupied territory it drops the adjective. It purposefully makes a distinction. The reason is obvious: to prevent forced and artificial demographic alterations of a territory to cement foreign conquest.
26-year-old sustains serious injuries in Tel Aviv stabbing (Haaretz)
from the article: If there are no Palestinians, there's no Israeli occupation