وَإِن كَانَ قَمِيصُهُۥ قُدَّ مِن دُبُرٍ فَكَذَبَتْ وَهُوَ مِنَ ٱلصَّٰدِقِينَ
And if his shirt is rent from behind, she tells a lie and he is one of the truthful.