Sunan Ibn Majah 1813
سنن ابن ماجه#1813Da'ifAli narrated that:the Messenger of Allah said: “I have exempted you from having to pay Sadaqah on horses and slaves.”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiDaif
In-book reference: 8:31