The move should ensure a unity government will once again administer both the West Bank and Gaza after the rift caused by militant group Hamas' takeover of the Gaza Strip in 2007.
"President Abbas has repeatedly stressed his readiness to visit Gaza", Majid al-Fitiani, secretary of Fatah's Revolutionary Council, told Anadolu Agency on Thursday.
A split between Palestine's two major forces, Fatah and Hamas, occurred after the parliamentary elections in Palestine in 2006 when Hamas won.
The sides also agreed on handing over the Rafah crossing on the border between Egypt and Gaza to the presidential guard, controlled by the Palestinian administration in the West Bank.
Hamas and Fatah officials held two days of talks in Cairo this week about a Palestinian Authority return to Gaza.
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EPS said a tactical maneuver managed to get the truck to roll, and police arrested the suspect. Of the four pedestrians, two suffered head injuries including a skull fracture.
It was signed in Cairo by new Hamas deputy leader Salah al-Aruri and Azzam al-Ahmad, the head of the Fatah delegation for the talks, at the headquarters of Egypt's intelligence service, which oversaw the negotiations. Abbas has said he would not take over Gaza until Hamas gave up its weapons.
One of the key issues has been punitive measures taken by Abbas against Gaza in recent months, including reducing electricity payments that left the territory's residents with only a few hours of power a day.
Hamas does not recognise Israel and has fought three wars with the Jewish state since 2008. Hamas and Fatah organisations began negotiations on reconciliation last Tuesday through Egypt. Egypt has been brokering the reconciliation talks.
Since then, the relations between the two rival factions have been very tense and all attempts to reconcile them over the past years have failed to bring fruit.
"Israel will examine developments in the field and act accordingly", said a statement from Prime Minister Benjamin Netanyahu's office.