(25) باب التَّحَرِّي
It was narrated from 'Abdullah bin Ja'far that:
The Messenger of Allah (ﷺ) said: "Whoever has doubt during his prayer, let him prostrate twice." (One of the narrators) Hajjaj said: "After he has said the taslim." (Another of them) Rawh said: "While he is sitting." (ES)
Reference (ES): Sunan an-Nasa'i 1251 (ES)
In-book reference (ES): Book 13, Hadith 73 (ES)
English translation (ES): Vol. 2, Book 13, Hadith 1252 (ES)