The deputy speaker of parliament, Hassan Khrueisheh, said MPs would gather on Monday to give the green light to the 24-minister cabinet proposed by Hamas.
It comes two months after the militant party swept to power in a landslide victory over the formerly dominant Fatah party.
Hamas, considered as a terrorist group by Europe and the United States, has vowed for the destruction of Israel.
The rubber-stamping of its cabinet is expected to be a mere formality due to the 74-seat majority Hamas has in the 132-seat Palestinian parliament.
A meeting between Palestinian Authority president Mahmud Abbas and Hamas speaker of parliament, Aziz Dweik decided to go with the Monday session adding that the government will be officially sworn in on Thursday.
Factional tensions
A meeting of the PLO executive committee, of which Mr Abbas is also chairman, demanded that any Hamas government must change its platform and recognise the supremacy of the PLO.
The executive committee said that Hamas must make this move taking into account the interests of the Palestinian people. But more outspoken members like Zakaria al-Agha used stronger language.
"The Hamas platform does not mention the PLO as the only legitimate representative of the Palestinian people and president Abbas will ask it to change its programme in keeping with PLO policy," he said. "Hamas is not an alternative to the PLO."
Outgoing Palestinian prime minister Ahmed Qorei, who also attended the meeting, dismissed the Hamas platform as "unacceptable".
"We cannot have a government that does not recognise the PLO," he said.
However Hamas swiftly rejected the demand describing it as "unacceptable and illegal". Senior leaders said that the Palestinian parliament was the only authority needed to determine a program of government.
But Mr Abbas wanted to play down the differences after the PLO meeting in Ramallah.
"There will not be a constitutional crisis," he told reporters. "There are some essential issues like the fact that the PLO is the main reference for the Palestinian Authority and this point should be made clear in the programme."