Chapter on the Additions

And from him, from Abu Ja’far, from al-Husayn ibn Ali ibn Yusuf, from Mu'adh ibn Thabit al-Jawhari, from Amr ibn Jumay' from Abu Abdillah عليه السلام, peace be upon him, who said: Imam al-Sadiq عليه السلام said: “Whenever the Messenger of Allah سبحانه وتعالى, may Allah سبحانه وتعالى bless him and his family, missed the prayer over the deceased (Salat al-Mayyit), He صلى الله عليه وعلى آله وسلم would perform the prayer over the grave.”