Sunan an-Nasa'i 4182
سنن النسائي#4182SahihIt was narrted from a man from Al Ash-Sharid, who was called 'Amr, that his father said:"Among the delegation of Thaqif there was a man who suffered from leprosy. The Prophet sent word to him saying: 'Go back, for I have accepted your pledge
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: 39:34