Prime Minister of the Palestinian National Authority
The prime minister of the Palestinian National Authority was the position of the official head of government of the Palestinian Authority government, which operated between March 2003 and January 2013, when it was officially transformed into the State of Palestine. Some still refer to the position of the prime minister of the Gaza Strip as the prime minister of the Palestinian National Authority.
Source: Wikipedia — Prime Minister of the Palestinian National Authority (CC BY-SA 4.0)