564—Once he has used all three pronouncements, she is not lawful for him until she marries another man in a valid marriage and he consummates the marriage with her. Allah Most High says: “Divorce may be pronounced twice,” through to His words: “Then, if he divorces her, she is not lawful for him thereafter until she marries another husband” [al-Baqarah: 229, 230].
565—Divorce takes effect irrevocably in four cases:
1—This is one of them.
2—When he divorces her before consummating the marriage, for Allah Most High says: “O you who believe, when you marry believing women and then divorce them before you have touched them, you have no waiting period to count against them” [al-Ahzāb: 49].
3—When it occurs within an invalid marriage.
4—When it is in exchange for compensation1.
566—Any divorce other than these is revocable, and the husband has the right to take back