The Duty of One Who Disconnects from the Congregation Due to an Excuse
Issue No. 1249- If because of a valid excuse the follower turns his intention into individual prayer after the imam has recited sūrah al-fātiḥa and the sūrah, it will not be necessary for him to recite them. However, if he makes the intention of individual prayer before the imam has completed sūrah al-fātiḥa and the sūrah, he should recite the part that the imam has not recited.