(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." (DE)
Reference (DE): Sunan an-Nasa'i 1251 (DE)
In-book reference (DE): Book 13, Hadith 73 (DE)
English translation (DE): Vol. 2, Book 13, Hadith 1252 (DE)