The council, under the auspices of president Mahmud Abbas, "affirms the need for the Palestinian leadership to continue membership of UN agencies and international conventions", the Palestine People's Party secretary general Bassam al-Salhi said in a statement.
The council also said Israel was to blame for failed international and US efforts to find a negotiated settlement to the Middle East conflict.
Israeli Prime Minister Benjamin Netanyahu suspended faltering peace talks with the Palestinians last week after the PLO and Hamas agreed to work together to form a unity government, in a move to end years of bitter political rivalry.
Last November the Palestinians cast a UN General Assembly vote for the first time and claimed the moment as a new step in their quest for full recognition by the global body.
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Most of the 193 members of the General Assembly applauded Palestinian ambassador Riyad Mansour as he voted for a judge on the International Criminal Tribunal for the Former Yugoslavia.
The Palestinian mission cannot vote on UN resolutions but, under UN rules, it and other observers such as the Vatican can vote in elections for judges on international courts.
Israel maintains its position that the Palestinian Authority is not a state and the Palestinian Authority fails to meet the criteria for statehood.
Israel and the United States have lobbied strongly against UN recognition of the Palestinians, arguing that a separate state can only be achieved through direct bilateral negotiations to end the decades old Israeli-Palestinian conflict.