What I mean is that: they either use the Israeli New Shekel or Jordanian Dinar to process and conduct transactions due to them not having an official currency of their own that deems it Palestinian. Why don’t they have their own, since they are using someone else’s currency for daily purchases or transactions.
Lots of vague answers in here…
Annex IV of the Paris protocol aka Annex XXIV / V of the Oslo II accord strictly forbids them from doing so.