Chapter on the Manner of Prayer, Explanation of the Fifty-One Rak‘ahs; The Order, Recitation, Tasbih in Bowing and Prostration, Qunut, and What is Obligatory and Recommended Therein

And from him, from Fadalah, from Ibn Sinan, who said: Abu Abdillah عليه السلام said: “Whoever recites the Tasbih of Fatimah al-Zahra صلى الله عليه وعلى آله وسلم, peace be upon her, before folding his legs after the obligatory prayer will be forgiven. And he should begin with the takbir.”