Is it permissible for the ma'mum, if he makes a mistake and then the imam concludes the prayer, to perform the prostration for forgetfulness, or should he conclude the prayer with the imam?
Machine translationRead the Arabic original
The questioner : This questioner is Abdullah al-Harbi from al-Qasim. In his first question, he says: "O honorable shaykh, is it permissible for the ma'mum, if he makes a mistake and then the imam concludes the prayer, to perform the prostration for forgetfulness, or should he conclude the prayer with the imam?"
The Shaykh : The apparent meaning of the question is that this ma'mum caught the prayer with the imam from the beginning. If that is the case, he owes no prostration for forgetfulness, for the imam bears it on his behalf. However, if it is assumed that the ma'mum made a mistake that invalidates one of the rak'ahs, then he must stand up when the imam concludes the prayer and perform the rak'ah that was invalidated due to the mistake. Then he recites the tashahhud, concludes the prayer, and performs the prostration for forgetfulness after the taslim.
The questioner : May Allah reward you with good.
The Shaykh : The apparent meaning of the question is that this ma'mum caught the prayer with the imam from the beginning. If that is the case, he owes no prostration for forgetfulness, for the imam bears it on his behalf. However, if it is assumed that the ma'mum made a mistake that invalidates one of the rak'ahs, then he must stand up when the imam concludes the prayer and perform the rak'ah that was invalidated due to the mistake. Then he recites the tashahhud, concludes the prayer, and performs the prostration for forgetfulness after the taslim.
The questioner : May Allah reward you with good.