Sunan an-Nasai 17219
In-book no 2483أَخْبَرَنَا حُسَيْنُ بْنُ مَنْصُورٍ، قَالَ حَدَّثَنَا ابْنُ نُمَيْرٍ، قَالَ حَدَّثَنَا الأَعْمَشُ، عَنْ أَبِي إِسْحَاقَ، عَنْ عَاصِمِ بْنِ ضَمْرَةَ، عَنْ عَلِيٍّ، رضى الله عنه قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " قَدْ عَفَوْتُ عَنِ الْخَيْلِ وَالرَّقِيقِ وَلَيْسَ فِيمَا دُونَ مِائَتَيْنِ زَكَاةٌ " .
It was narrated that 'Ali, may Allah be pleased with him, said: "The Messenger of Allah said: 'I have exempted you from (having to pay Zakah on) houses and slaves, and there is no Zakah on less than two hundred (Dirhams)."