Sunan an-Nasa'i 2469
سنن النسائي#2469SahihIt was narrated from Abu Hurairah and attributed to the Prophet:"The Muslim does not have to pay Sadaqah on his slave or his horse
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 23:35