Sunan an-Nasa'i 20
سنن النسائي#20Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ سَلَمَةَ، وَالْحَارِثُ بْنُ مِسْكِينٍ، قِرَاءَةً عَلَيْهِ وَأَنَا أَسْمَعُ، وَاللَّفْظُ، لَهُ عَنِ ابْنِ الْقَاسِمِ، قَالَ حَدَّثَنِي مَالِكٌ، عَنْ إِسْحَاقَ بْنِ عَبْدِ اللَّهِ بْنِ أَبِي طَلْحَةَ، عَنْ رَافِعِ بْنِ إِسْحَاقَ، أَنَّهُ سَمِعَ أَبَا أَيُّوبَ الأَنْصَارِيَّ، وَهُوَ بِمِصْرَ يَقُولُ وَاللَّهِ مَا أَدْرِي كَيْفَ أَصْنَعُ بِهَذِهِ الْكَرَايِيسِ وَقَدْ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا ذَهَبَ أَحَدُكُمْ إِلَى الْغَائِطِ أَوِ الْبَوْلِ فَلاَ يَسْتَقْبِلِ الْقِبْلَةَ وَلاَ يَسْتَدْبِرْهَا " .
It was narrated from Rafi' bin Ishaq that he heard Abu Ayyub Al-Ansari say - when he was in Egypt:"By Allah, I do not know what I should do with these Karais (toilets). The Messenger of Allah (ﷺ) said: 'When any one of you goes to defecate or urinate, let him not face toward the Qiblah, nor turn his back towards it
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Abu Ghuddah, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 1:20