Sunan an-Nasa'i 1211
سنن النسائي#1211Da'ifIt was narrated that 'Ali said:"I had certain times when I used to come to the Messenger of Allah (ﷺ). When I came to him I would ask for permission to enter. If I found him praying he would clear his throat and I would enter, and if I found him free he would give me permission (to enter)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahDaif Isnaad
Al-AlbaniDaif Isnaad
Zubair Ali ZaiDaif
In-book reference: 13:33