He who accused his slave of adultery, punishment would be imposed upon him on the Day of Resurrection, except in case the accusation was as he had said.  

أَبُو الْقَاسِمِ ﷺ مَنْ قَذَفَ مَمْلُوكَهُ بِالزِّنَا يُقَامُ عَلَيْهِ الْحَدُّ يَوْمَ الْقِيَامَةِ إِلاَّ أَنْ يَكُونَ كَمَا قَالَ  

" I heard Abu'l-Qasim ﷺ as the Prophet of repentance."  

سَمِعْتُ أَبَا الْقَاسِمِ ﷺ نَبِيَّ التَّوْبَةِ