If an imam forgetfully recites quietly in a rakah where audible recitation is required, the Hanafi rules of omitting a wajib and sujud al-sahw can apply. The individual’s permitted choice is a different ruling.
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Quiet Recitation Where Jahr Is Prescribed
Rules of Audible and Quiet Recitation in Salah
If an imam forgetfully recites quietly in a rakah where audible recitation is required, the Hanafi rules of omitting a wajib and sujud al-sahw can apply. The individual’s permitted choice is a different ruling.