Guess they'll just have to stick with the 1947 boundaries. Those remain the only legal ones. Assuming the Palestinians accept them, the PA can be seated as representing the Palestinian state mandated in 1947. Then Israel can be sanctioned unless and until she withdraws to the borders established at that time.
Report: Iran's Culture Ministry refuses to allow Barenboim to perform in Tehran (DPA)
from the article: Netanyahu's 'no' speech could spur a resounding 'yes'