"I suppose the Occupying Power is allowed to do things that appear ridiculous, but I am not sure this is contrary to any of the Laws of War." The entire rationale behind what Israel is doing to these four is that East Jerusalem has a different legal status to the rest of the territory that was seized in 1967 (i.e. East Jerusalem is covered by Israeli law, while the West Bank is under Israeli Military Law). That is very much contrary to the Laws of War, and so this entire procedure is very, very illegal.
Israeli justice minister: Pollard will be released November 20 (Haaretz)
from the article: Abbas: Israel must not expel Hamas politicians from Jerusalem