The Palestinians on Thursday asked the United Nations to allow their flag to be raised at the world body ahead of next month's meeting of heads of state.
The move comes as the Palestinians seek to bolster their bid for statehood despite fierce opposition from Israel.
A draft resolution was presented to the General Assembly requesting that the flags of the state of Palestine and the Holy See be hoisted alongside those of the 193 member states.
The Vatican and the Palestinians both have non-member observer status at the United Nations.
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The resolution, co-sponsored by 21 countries including Algeria, Saudi Arabia, Egypt and Jordan, could come up for a vote before September 15.
The Israeli mission to the United Nations did not respond to requests for comment.
The General Assembly upgraded the status of the Palestinians to that of non-member observer state in 2012.
Palestinian president Mahmud Abbas and Israeli Prime Minister Benjamin Netanyahu are among the world leaders who will travel to UN headquarters as of September 25 for an anti-poverty summit and the annual General Assembly debate.
Pope Francis is to make a much-anticipated address on September 25. The Vatican has officially recognized Palestine as a state.