In 1970, three years after the Six Day War, Israel passed legislation to deal with various issues that arose in the wake of its takeover of the West Bank. Among many other provisions, the law, known as The Law and Administration Arrangements Law, allowed Jews who had lost property in east Jerusalem and the West Bank to reclaim it.
https://www.jpost.com/israel/arabs-jews-dont-have-equal-rights-to-recover-property