Surah An-Nur — Verse 4

وَٱلَّذِينَ يَرْمُونَ ٱلْمُحْصَنَٰتِ ثُمَّ لَمْ يَأْتُوا۟ بِأَرْبَعَةِ شُهَدَآءَ فَٱجْلِدُوهُمْ ثَمَٰنِينَ جَلْدَةًۭ وَلَا تَقْبَلُوا۟ لَهُمْ شَهَٰدَةً أَبَدًۭا ۚ وَأُو۟لَٰٓئِكَ هُمُ ٱلْفَٰسِقُونَ

Wallazeena yarmoonal muhsanaati summa lam yaatoo bi-arba'ati shuhadaaa'a fajlidoohum samaaneena jaldatanw wa laa taqbaloo lahum shahaadatan abadaa; wa ulaaa'ika humul faasiqoon

And those who accuse chaste women and then do not produce four witnesses - lash them with eighty lashes and do not accept from them testimony ever after. And those are the defiantly disobedient,

All verses of Surah An-Nur