That israel signed with Jordan. Under the terms of that document, Jordan has no responsibility for the population of the WB whatsoever. If Israel wanted the Jordanian government to administer the WB, they could have offered it sovereignty over that land at the time. Too late now.
UN: At least 1,332 Iraqis killed by violence in July (AP)
from the article: Jordan to U.S.: Find new formula for restarting Mideast peace talks