AN NUUR — Ayat 4
وَالَّذِينَ يَرْمُونَ الْمُحْصَنَاتِ ثُمَّ لَمْ يَأْتُوا بِأَرْبَعَةِ شُهَدَاء فَاجْلِدُوهُمْ ثَمَانِينَ جَلْدَةً وَلَا تَقْبَلُوا لَهُمْ شَهَادَةً أَبَدًا وَأُوْلَئِكَ هُمُ الْفَاسِقُونَ
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,
Tafsir Ibnu Katsir
وَالَّذِينَ يَرْمُونَ الْمُحْصَنَـتِ ثُمَّ لَمْ يَأْتُواْ بِأَرْبَعَةِ شُهَدَآءَ فَاجْلِدُوهُمْ ثَمَانِينَ جَلْدَةً وَلاَ تَقْبَلُواْ لَهُمْ شَهَادَةً أَبَداً وَأُوْلَـئِكَ هُمُ الْفَـسِقُونَ إِلاَّ الَّذِينَ تَابُواْ مِن بَعْدِ ذَلِكَ وَأَصْلَحُواْ فَإِنَّ اللَّهَ غَفُورٌ رَّحِيمٌ
4. And those who accuse chaste women, and produce not four witnesses, flog them with eighty stripes, and reject their testimony forever. They indeed are the rebellious. 5. Except those who repent thereafter and do righteous deeds; (for such) verily, Allah is Of the Forgiving, Most Merciful. This Ayah states the prescribed punishment for making false accusations against chaste women, i.e., those who are free, adult and chaste. If the person who is falsely accused is a man, the same punishment of flogging also applies. If the accuser produces evidence that what he is saying is true, then the punishment does not apply. Allah said: