What occupied territory? Until now the West Bank has been disputed land. More: legally it belongs to the land promised to the Jewish people by the Society of Nations. Therefore transfer of population can be no crime. Only if and after land will have been lawfully attributed to the first ever state of Palestine, and only if this state is occupied, will a transfer of population into it be forbidden.
Donald Trump: Israeli settlement construction in West Bank should 'keep going' (Haaretz)