3rd Ayah from Surah Al Mujadilah
And those who pronounce thihar from their wives and then [wish to] go back on what they said - then [there must be] the freeing of a slave before they touch one another. That is what you are admonished thereby; and Allah is Acquainted with what you do.
Those of you who say such a thing to their wives, then go back on what they have said, must free a slave before the couple may touch one another again––this is what you are commanded to do, and God is fully aware of what you do––
And those who make unlawful to them (their wives) (by Az-Zihar) and wish to free themselves from what they uttered, (the penalty) in that case (is) the freeing of a slave before they touch each other. That is an admonition to you (so that you may not return to such an ill thing). And Allah is All-Aware of what you do.
Those who declare Zihār against their wives, then retract what they said, obligated on them is to free the neck (of a slave) before the two (spouses) touch one another. This is what you are advised, and Allah is well aware of what you do.
Those who put away their wives (by saying they are as their mothers) and afterward would go back on that which they have said, (the penalty) in that case (is) the freeing of a slave before they touch one another. Unto this ye are exhorted; and Allah is Informed of what ye do.
But those who divorce their wives by Zihar, then wish to go back on the words they uttered,- (It is ordained that such a one) should free a slave before they touch each other: Thus are ye admonished to perform: and Allah is well-acquainted with (all) that ye do.