The source says the prayer leader should not perform Sujud al-Sahw in Jumu'ah and Eid prayer because doing so may confuse a large congregation.
The wording in the commentary is treated as a dislike rather than as a claim that the entire prayer becomes invalid if Sahw occurs.
This is a congregational management ruling specific to these prayers; it is not an invented time-based trigger that 'drops' Sujud al-Sahw because Asr entered.
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Sujud al-Sahw: Cause, Method, Timing, and Special Cases
The source says the prayer leader should not perform Sujud al-Sahw in Jumu'ah and Eid prayer because doing so may confuse a large congregation.
The wording in the commentary is treated as a dislike rather than as a claim that the entire prayer becomes invalid if Sahw occurs.
This is a congregational management ruling specific to these prayers; it is not an invented time-based trigger that 'drops' Sujud al-Sahw because Asr entered.