A latecomer who joined the imam in the second rak'ah and thought the imam would stand up, so he stood up but the imam did not stand up; does he have to perform the prostration for forgetfulness if he completes his prayer?
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The questioner : A latecomer who joined the imam in the second rak'ah and was unaware of the imam's state, that he was in the second rak'ah... does he have to perform the prostration for forgetfulness, or is the prostration for forgetfulness... only?
The Shaykh : Yes, regarding forgetfulness and ignorance. That is, if the follower stands up thinking that the imam is standing, and he relies on that, then returns, he has to perform the prostration for forgetfulness if he recites from al-Fatihah.
The questioner : ...
The Shaykh : Yes, due to ignorance.
The questioner : ...
The Shaykh : That is what the Messenger (peace and blessings be upon him) forbade... we explained it before. Did you not attend?
The questioner : I am present, O Shaykh.
The Shaykh : Yes, regarding forgetfulness and ignorance. That is, if the follower stands up thinking that the imam is standing, and he relies on that, then returns, he has to perform the prostration for forgetfulness if he recites from al-Fatihah.
The questioner : ...
The Shaykh : Yes, due to ignorance.
The questioner : ...
The Shaykh : That is what the Messenger (peace and blessings be upon him) forbade... we explained it before. Did you not attend?
The questioner : I am present, O Shaykh.